| Rio Grande City to Cosham | 5,143.48 mi (8,277.64 km) |
| Rio Grande City to Costessey | 5,183.05 mi (8,341.31 km) |
| Rio Grande City to Cottingham | 5,090.47 mi (8,192.31 km) |
| Rio Grande City to Coulsdon | 5,167.51 mi (8,316.30 km) |
| Rio Grande City to Coventry | 5,084.47 mi (8,182.66 km) |
| Rio Grande City to Cowdenbeath | 4,923.83 mi (7,924.14 km) |
| Rio Grande City to Cowes | 5,136.27 mi (8,266.03 km) |
| Rio Grande City to Cowley | 5,148.31 mi (8,285.40 km) |
| Rio Grande City to Cowley | 5,113.80 mi (8,229.87 km) |
| Rio Grande City to Cramlington | 5,013.24 mi (8,068.03 km) |
| Rio Grande City to Cranleigh | 5,159.05 mi (8,302.70 km) |
| Rio Grande City to Crawley | 5,171.39 mi (8,322.55 km) |
| Rio Grande City to Crayford | 5,176.63 mi (8,330.97 km) |
| Rio Grande City to Crewe | 5,030.71 mi (8,096.14 km) |
| Rio Grande City to Crigglestone | 5,052.07 mi (8,130.53 km) |
