Places/Geographical Features That Share Names (or similar names) With Tolkien Characters [Sil & LOTR] Or Locations:

**Bold indicates newly added location.**

Amaranth Pa., US [a Brandybuck]
Amroth, Wales
Andros Island, Bahamas, Greece [Cair Andros]
Angelica Ny., Pa., US [daughter of Ponto Baggins]
Appledore, Eng.
Arda (riv.), Italy, Russia, Turkey, Chad, In. US, Iran (river), Bulgaria
Aze, Fr. [Quenya for 'sunlight' (?)]
Bard, Pa., US
Barrow (many)
Blanco Pa., US
Blue Mountains (Ntl. Park) Austl., (PA, MD, VA) US
Brandywine (Md., De., Wv., Pa., Va.) US
Bree, Belg.
Brand Va., US [Man- 3rd King of Dale]
Buckland (Ak., Va., Oh.) US; Qu., CAN
Bungo, Ang.
Caras, Peru.
Crossroads Md., US
Dale, Nor., (In., Sc., Tx., Pa.) US
Dora [Baggins] Pa., US
Dori, Burk.
Eastern Shore (Md., Va.) US
Eleanor Wv., Pa., US
Elven, Fr.
Eru, Laane-Viru Estonia
Esse, Camr., (riv.) Ger.
Estella, Sp., Pa., US
Este (riv.) Ger., It. [wife of Lorien]
Eye Eng., UK
Ferney Pa., US
Fili, Gre.
Gimli Mb., CAN
Gladden Pa., US
Greenfield [Ca., La., Il., In., Ma., Mo., Oh., Tn., Wi., Pa., Va.] US; N.S., Canada
Green Hill Tn., Pa., Md., Va., De., US
Greenleaf Ks., Md., US
Greenway Va., US [the North Road]
Greenwood [Ar., De., Fl., In., Ms., Sc., Pa., Va., Md.] US [Nj., Ny. (lake), US] Ontario, Canada
Hama (Furubira), Japan
Helm Va., US [Aka Turin, as well as the name of the 9th King of Rohan]
High Tongue (rocky slope), near Dunnerdale England
Holman (Isle.), NW Terr. Canada
Hornburg, Ger.
Huan (riv.), China
Isen (riv.), Ger.
Laketown Ut., US
Lindon (Co., Vt.) US
Lumpkin Ga., US
Lune (lake) in North Riding, Yorkshire England
Magor Wal., UK
Minas (Cuba, Ecu, Indo, Ura.)
Mordor, Central Australia (?)
Nain Va., US [Nain, I, II Dwarves of Durin's house]
Norland Pa., Va., US
Osse (riv.), Nga.
Uruk, Iraq
Ring, Waterford Ireland
Rohan, Brittany
Ruby Va., US [Hobbit name, Baggins and Gamgee]
Seven Rivers Nm., US
Seven Stars Pa., US
Sheriff Pa., US
Shire (riv.), Malw.
Sil (riv.), Spain
Silvan, Turk.
Tookland Va., US
Tower Hill (1 and 2) Pa., US; Ireland
Trotter Pa., US 
Tuna, Gha. [Tirion Upon]
Turin, It.; Ia., US
Vaire (riv.), Fr.
Valier (Il., Mt., Pa.) US, (mtn.) Fr.
Varda, Italy, Lithuania, Hungary, Slovenia, Yugoslavia
Westlands Pa., US
West Gate, Durham, England
White City Fl., US
White Deer Pa., US [Hobbit reference]
White Horse Pa., Nj., Ca., Wa., US [Symbol of Rohan]
Wildwood Pa., Nj., US

Close Matches: 

Ammon, Id. US [Amon]
Amlwch, Wales [Amlach]
Aragon, Spain [Aragorn]
Aroda Va., US [Arod]
Astrone (riv.), It. [Astron- Fourth month of Shire-Reckoning Calendar (April)]
Avallon, Fr. [Avallone]
Bagshot, Surrey England [Bagshot Row]
Bagtown Md., US
Bala, Wales [Balan, Balar]
Balder (lake) in North Riding, Yorkshire England [Baldor]
Battle Hollow Pa., US [Battle Pit]
Berean Md., US
Berens (Isl.) Mb., CAN [Beren]
Bilbao, Spain [Bilbo]
Boromo, Burkina Faso, Mozambique
Brandywine Country Md., US
Brocken (peak), Germany [Brockenbores Mountains]
Buck Hill Falls Pa., US [Buck Hill]
Burarama, Brazil; Buriram, Thailand [Burarum]
Cotton Town Pa., US
Corn Du, Wales [Carn Dum]
Crickhowell, UK [Crickhollow]
Cross Roads Pa., US [Crossroads]
Deep Creek, Va., US [Deeping Stream]
Deep Run Pa., US [Deeping Stream]
Dunedin, NZ; Fl., US [Dunedain]
Eastingwold in East Riding, Yorkshire England [Eastfold and the Wold]
Ecru, Ms. US [Eru]
Eldama (ravine), Kenya [Eldamar]
Elwy Valley, Wales [Elwe]
Emneth, Norfolk England [Emnet]
Entebbe, Ugan. [Entwash or Ent]
Esteli, Nic. [Estel]
Fingal's Cave [Fingolfin] "legendary home of Ossians's [Osse?] father" on Staffa, Inner Hebrides, Scotland
Florien La., US [Lorien]
Gamlingay Eng., UK [Gamling]
Golam Head, Ireland [Gollum]
Golden Hill, Pa., US [Golden Hall]
Gonder, Eth. [Gondor]
Great Orme (massive outcrop), Wales [Orome]
Grubbs Ar., US [Grubb]
Haldia, India [Haldir]
Halfing, Ger. [Halfling]
Ham, Shetland Isles, Scotland [Hama, Hamfast, Hamson]
Hamah, Syria [Hama]
Harbottle, Northumberland England [Hardbottle]
High Hollin Bank, near Coniston England [Hollin Gate at Moria]
High Seat, near Barrowdale England [Amon Hen]
Hobbs Md., US [Hob]
Hobiton (lake), CAN [Hobbiton]
Hollindale Va., US [Hollin aka Eregion]
Huron Pa., US and Great Lake Huron [Hurin and Huorn]
Ilorin, Nigera [Olorin]
Lebanon Pa., De., In., Mo., Nh., Or., Tn., US [Lebennin]
Long Pond Pa., US [Long Lake]
Lothaa, Ugan. [Lotho]
Lurgan Pa., US [Lorgan-- Easterling Chief]
Markes Pa., US [the Mark]
Mellons Pa., US [Mellon!]
Mickleden, England [Mickleburg]
Morann Pa., US [Morannon]
Morea PA., US [Moria]
Morija, Les. [Moria]
Moriya, Japan [Moria]
Morwenstow, Cornwall England [Morwen]
Nokesville Va., US [Noakes]
Old Cleeve, Somerset, England [Long Cleeve]
Olifants (riv.), SAfr. [Oliphant]
Oliphant Furnace,PA [Oliphant]
Olyphant Pa., US [Oliphant]
Orchies, Fr. [Orcs]
Pippin Corner Ca., US [Pippin]
Redhorn Hill, Wiltshire England [Redhorn, Gate/Pass]
Ridderkerk, Neth. [Riddermark]
Ridderwood Md., US [Riddermark]
River Eea, England [Ea]
Riverdale Ga., US [Rivendell]
Ruhen, Ger., UK [Ruhn, Sea of]
Rumbles Pa., Md., US [Rumble- Hobbit family name]
Sauro (riv.), It. [Sauron]
Shire Highlands S. Malawi, Africa [Shire]
The Burg (rock formation/hill) on Mull, Inner Hebrides, Scotland
The Downs Md., US [of the Barrow variety? :)]
The Storr (rock formation) Inner Hebrides, Scotland [Stoor]
Tooke (lake), Fl., US [Took]
Tower Hill Il., US [Tower Hills]
Ulm, Germany [Ulmo]
Underhoull, the Shetlands, Scotland [Underhill]
Vardar (riv.), Gre. [Varda]
West Gate Hills Pa., US [West-Gate of Moria]
Westmann Islands, Iceland [Westman's weed]
Westness, the Orkneys, Scotland [Westernesse]
Whitehorse, Yukon Terr. Canada [White Horse]
Whitehorse Hill, England [White Horse]
Woodend, Victoria Australia [Woodyend]
Woodhill Pa., US [Woodhall]

Real-World Analogs:

Windy Hill = Hill of the Wind  = Amon Sul Sc. US
Long Beach = Andrast (Sin.) & Langstrand Ca., US

Other Interesting Names:

Banetown Pa., US
Barrelville Md., US [maybe this is where those barrels in "The Hobbit" were made? ;) ]
Buck Hall Va., US [maybe the sister home to "Brandy Hall"?]
Dragonville Va., US [a former name of Dale, maybe?]
Dunadd, Scotland (ancient hill fort) [Dunland?]
Elfinwild Pa., US
Entlerville Pa., US [Entville!]
Erech Uruk Babylonia, Iraq
Heuneburg, Wurttemberg, Germany. Fortified Celtic settlement.  [Did they mean "Hornburg"? ;) ]
Hobbister Hill, the Orkneys, Scotland (which Halfling called himself the Hobbster-- leading to Hobbister?)
Hullo, Est. [Hullo!]
Lothair Station Md., US [Lotho or Lothlann]
Middleswarth Pa., US [Middle-earth]
Namari, Sen. [Namarie]
New Ringgold Pa., US
Nimrod Hall Va., US [Say it fast and it sounds almost like "Nimrodel"]
Nob Hill Md., US [Is this Nob's hill? ;) ]
NuMine Pa., US [Numen, Quenya for "West"]
Orphir, in the Orkneys of Scotland [Orophin]
Quendale (valley), the Orkneys, Scotland [Quendi]
Radebaugh Pa., US [Radbug]
Riddlesburg Pa., US [Hobbit reference]
Ringboy (pt.), IN, UK [Is that Frodo's town? ;) ]
Ringdale Pa., US
Ringlands Pa., US
Ringgold La., Md., Pa., US [Yes, it is gold...]
Ringtown Pa., US
Ruenya (riv.), Zim [Quenya]
Running Brook Md., US [River Running]
Shado-wood Village Pa, US [Shadow of the Wood-- Ents and Huorns according to Saruman]
Shiremanstown Pa., US
Shire Oaks Pa., US
Staffa (Isle.), Scotland [Maybe where they make Wizard's staffs?]
Starlight Pa., US
Tower City Pa., US [Minas Tirith?]
Trinket Pa., US
Weedville Pa., US [Or is that "New Old Toby"? ;) ]
West End Pa., US
Willow Tree Pa., US [Old Man Willow]
Wythburn, England (now submerged) [Withywindle; EoPW: 'A "burn" is a stream, and the valley is now flooded. :) ']