| Rio Grande City to Cromer | 5,178.70 mi (8,334.32 km) |
| Rio Grande City to Crosby | 4,998.18 mi (8,043.80 km) |
| Rio Grande City to Crowborough | 5,186.57 mi (8,346.97 km) |
| Rio Grande City to Croxley Green | 5,146.50 mi (8,282.50 km) |
| Rio Grande City to Croydon | 5,167.23 mi (8,315.85 km) |
| Rio Grande City to Cudworth | 5,057.86 mi (8,139.83 km) |
| Rio Grande City to Culcheth | 5,018.75 mi (8,076.90 km) |
| Rio Grande City to Cullercoats | 5,020.07 mi (8,079.03 km) |
| Rio Grande City to Cumbernauld | 4,904.18 mi (7,892.52 km) |
| Rio Grande City to Cumnock | 4,905.44 mi (7,894.55 km) |
| Rio Grande City to Cupar | 4,931.22 mi (7,936.03 km) |
| Rio Grande City to Cwmbran | 5,044.09 mi (8,117.68 km) |
| Rio Grande City to Dagenham | 5,172.58 mi (8,324.47 km) |
| Rio Grande City to Dalkeith | 4,939.45 mi (7,949.28 km) |
| Rio Grande City to Darfield | 5,060.18 mi (8,143.57 km) |
