| Neighbor of Conn. | 17 |
| Neighbor of Colombia | 20 |
| Neighbor of Colo. | 17 |
| Neighbor of Col. | 16 |
| Neighbor of cobalt on the periodic table | 40 |
| Neighbor of Clearwater | 22 |
| Neighbor of Ciudad Juárez | 28 |
| Neighbor of China | 17 |
| Neighbor of Chile: Abbr. | 24 |
| Neighbor of Chile | 17 |
| Neighbor of Chevy Chase | 23 |
| Neighbor of Chautauqua Lake | 27 |
| Neighbor of Chad | 16 |
| Neighbor of Celebes | 19 |
| Neighbor of Catalonia | 21 |
| Neighbor of Casablanca | 22 |
| Neighbor of Carthage | 20 |
| Neighbor of Carson City | 23 |
| Neighbor of Cannes | 18 |
| Neighbor of Canis Major | 23 |
| Neighbor of Cancer and Virgo | 28 |
| Neighbor of Can. and Mex. | 25 |
| Neighbor of Can. | 16 |
| Neighbor of Cameroon | 20 |
| Neighbor of Cambridge | 21 |
| Neighbor of Cambodia | 20 |
| Neighbor of Calvados | 20 |
| Neighbor of Calif. and N.M. | 27 |
| Neighbor of Calif. | 18 |
| Neighbor of Caledonia | 21 |
| Neighbor of Cal. | 16 |
| Neighbor of Burundi | 19 |
| Neighbor of Burma and Thailand | 30 |
| Neighbor of Burma | 17 |
| Neighbor of Burkina Faso | 24 |
| Neighbor of Bulg. | 17 |
| Neighbor of British Columbia | 28 |
| Neighbor of Britannia | 21 |
| Neighbor of Bretagne | 20 |
| Neighbor of Brazil: Abbr. | 25 |
| Neighbor of Brazil (abbr.) | 26 |
| Neighbor of Brazil | 18 |
| Neighbor of Braz. and Arg. | 26 |
| Neighbor of Braz. | 17 |
| Neighbor of Boys Town | 21 |
| Neighbor of Boyle Heights, briefly | 34 |
| Neighbor of Botswana | 20 |
| Neighbor of Borneo | 18 |
| Neighbor of Bolivia | 19 |
| Neighbor of Bol. | 16 |
| Neighbor of Bhutan | 18 |
| Neighbor of Bethlehem, Pa. | 26 |
| Neighbor of Benin | 17 |
| Neighbor of Belg.. | 18 |
| Neighbor of Belg. and Ger. | 26 |
| Neighbor of Belg. | 17 |
| Neighbor of Belarus | 19 |
| Neighbor of Bangor | 18 |
| Neighbor of Bahrain | 19 |
| Neighbor of B.C. | 16 |
| Neighbor of Azerbaijan | 22 |
| Neighbor of Aust. | 17 |
| Neighbor of Aus. | 16 |
| Neighbor of Aruba and Curaçao | 32 |
| Neighbor of Aruba | 17 |
| Neighbor of Armenia | 19 |
| Neighbor of Ark. and Tex. | 25 |
| Neighbor of Ark. | 16 |
| Neighbor of Arizona | 19 |
| Neighbor of Ariz. | 17 |
| Neighbor of Arg. | 16 |
| Neighbor of Archie Bunker | 25 |
| Neighbor of Aquarius | 20 |
| Neighbor of Apache Junction | 27 |
| Neighbor of ancient Phrygia | 27 |
| Neighbor of ancient Palestine | 29 |
| Neighbor of ancient Babylonia | 29 |
| Neighbor of an Iraqi | 20 |
| Neighbor of an Estonian | 23 |
| Neighbor of an Azerbaijani | 26 |
| Neighbor of an Armenian | 23 |
| Neighbor of an Arkie | 20 |
| Neighbor of an Afghani | 22 |
| Neighbor of an Afghan | 21 |
| Neighbor of Alta. and Man. | 26 |
| Neighbor of Alta. | 17 |
| Neighbor of alt | 15 |
| Neighbor of Algeria | 19 |
| Neighbor of Alg. | 16 |
| Neighbor of Albion | 18 |
| Neighbor of Albania | 19 |
| Neighbor of Ala. | 16 |
| Neighbor of Afr. | 16 |
| Neighbor of Afghanistan: Abbr. | 30 |
| Neighbor of Afghanistan | 23 |
| Neighbor of Afgh. | 17 |
| Neighbor of Adak | 16 |
| Neighbor of a Yemenite | 22 |
| Neighbor of a Yemeni | 20 |
| Neighbor of a Vietnamese | 24 |