| Harrison to Cibolo (Texas) | 1,583.97 mi (2,549.15 km) |
| Harrison to Cicero (Illinois) | 728.67 mi (1,172.68 km) |
| Harrison to Cimarron Hills (Colorado) | 1,639.29 mi (2,638.19 km) |
| Harrison to Cincinnati (Ohio) | 584.46 mi (940.59 km) |
| Harrison to Cinco Ranch (Texas) | 1,459.65 mi (2,349.08 km) |
| Harrison to Circleville (Ohio) | 494.96 mi (796.56 km) |
| Harrison to Citrus (California) | 2,438.89 mi (3,925.02 km) |
| Harrison to Citrus Heights (California) | 2,496.68 mi (4,018.02 km) |
| Harrison to Citrus Park (Florida) | 1,025.26 mi (1,650.00 km) |
| Harrison to Claiborne (Louisiana) | 1,175.19 mi (1,891.28 km) |
| Harrison to Claremont (California) | 2,429.56 mi (3,910.01 km) |
| Harrison to Claremont (New Hampshire) | 177.45 mi (285.58 km) |
| Harrison to Claremore (Oklahoma) | 1,221.22 mi (1,965.37 km) |
| Harrison to Clarksburg (Maryland) | 224.82 mi (361.82 km) |
| Harrison to Clarksburg (West Virginia) | 368.71 mi (593.38 km) |
