| Grays to Clermont (Florida) | 4,373.40 mi (7,038.31 km) |
| Grays to Cleveland (Mississippi) | 4,480.62 mi (7,210.87 km) |
| Grays to Cleveland (Ohio) | 3,754.34 mi (6,042.03 km) |
| Grays to Cleveland (Tennessee) | 4,175.92 mi (6,720.49 km) |
| Grays to Cleveland Heights (Ohio) | 3,748.18 mi (6,032.11 km) |
| Grays to Cliffside Park (New Jersey) | 3,475.09 mi (5,592.61 km) |
| Grays to Clifton (Colorado) | 4,855.97 mi (7,814.93 km) |
| Grays to Clifton (New Jersey) | 3,480.23 mi (5,600.89 km) |
| Grays to Clinton (Iowa) | 4,066.19 mi (6,543.90 km) |
| Grays to Clinton (Maryland) | 3,685.76 mi (5,931.65 km) |
| Grays to Clinton (Mississippi) | 4,535.10 mi (7,298.54 km) |
| Grays to Clinton (Utah) | 4,861.96 mi (7,824.58 km) |
| Grays to Clive (Iowa) | 4,209.11 mi (6,773.90 km) |
| Grays to Cloquet (Minnesota) | 3,919.85 mi (6,308.39 km) |
| Grays to Cloverleaf (Texas) | 4,858.38 mi (7,818.81 km) |
