| Summit to Cibolo (Texas) | 1,544.69 mi (2,485.94 km) |
| Summit to Cicero (Illinois) | 699.13 mi (1,125.14 km) |
| Summit to Cimarron Hills (Colorado) | 1,607.64 mi (2,587.25 km) |
| Summit to Cincinnati (Ohio) | 547.89 mi (881.74 km) |
| Summit to Cinco Ranch (Texas) | 1,420.05 mi (2,285.35 km) |
| Summit to Circleville (Ohio) | 458.71 mi (738.22 km) |
| Summit to Citrus (California) | 2,406.47 mi (3,872.84 km) |
| Summit to Citrus Heights (California) | 2,468.32 mi (3,972.38 km) |
| Summit to Citrus Park (Florida) | 989.56 mi (1,592.54 km) |
| Summit to Claiborne (Louisiana) | 1,135.71 mi (1,827.75 km) |
| Summit to Claremont (California) | 2,397.10 mi (3,857.77 km) |
| Summit to Claremont (New Hampshire) | 211.40 mi (340.21 km) |
| Summit to Claremore (Oklahoma) | 1,184.82 mi (1,906.78 km) |
| Summit to Clarksburg (Maryland) | 184.94 mi (297.64 km) |
| Summit to Clarksburg (West Virginia) | 330.39 mi (531.71 km) |
