| Summit to Clemson (South Carolina) | 621.50 mi (1,000.21 km) |
| Summit to Clermont (Florida) | 939.04 mi (1,511.24 km) |
| Summit to Cleveland (Mississippi) | 1,018.66 mi (1,639.37 km) |
| Summit to Cleveland (Ohio) | 384.42 mi (618.67 km) |
| Summit to Cleveland (Tennessee) | 687.59 mi (1,106.56 km) |
| Summit to Cleveland Heights (Ohio) | 378.64 mi (609.36 km) |
| Summit to Cliffside Park (New Jersey) | 21.05 mi (33.88 km) |
| Summit to Clifton (Colorado) | 1,799.58 mi (2,896.15 km) |
| Summit to Clifton (New Jersey) | 14.88 mi (23.95 km) |
| Summit to Clinton (Iowa) | 826.85 mi (1,330.69 km) |
| Summit to Clinton (Maryland) | 191.50 mi (308.20 km) |
| Summit to Clinton (Mississippi) | 1,055.86 mi (1,699.24 km) |
| Summit to Clinton (Utah) | 1,952.71 mi (3,142.59 km) |
| Summit to Clive (Iowa) | 1,010.58 mi (1,626.37 km) |
| Summit to Cloquet (Minnesota) | 992.77 mi (1,597.71 km) |
