| Rancho Santa Margarita to Clacton-on-Sea | 5,471.55 mi (8,805.61 km) |
| Rancho Santa Margarita to Clay Cross | 5,328.12 mi (8,574.78 km) |
| Rancho Santa Margarita to Clayton | 5,288.13 mi (8,510.42 km) |
| Rancho Santa Margarita to Clayton le Moors | 5,270.43 mi (8,481.93 km) |
| Rancho Santa Margarita to Cleckheaton | 5,293.61 mi (8,519.25 km) |
| Rancho Santa Margarita to Cleethorpes | 5,354.34 mi (8,616.97 km) |
| Rancho Santa Margarita to Clevedon | 5,357.21 mi (8,621.60 km) |
| Rancho Santa Margarita to Clifton | 5,347.17 mi (8,605.44 km) |
| Rancho Santa Margarita to Clifton | 5,302.11 mi (8,532.92 km) |
| Rancho Santa Margarita to Cliftonville | 5,498.50 mi (8,848.98 km) |
| Rancho Santa Margarita to Clitheroe | 5,265.99 mi (8,474.80 km) |
| Rancho Santa Margarita to Clydebank | 5,116.58 mi (8,234.34 km) |
| Rancho Santa Margarita to Coalville | 5,349.05 mi (8,608.47 km) |
| Rancho Santa Margarita to Coatbridge | 5,129.66 mi (8,255.39 km) |
| Rancho Santa Margarita to Cobham | 5,442.70 mi (8,759.18 km) |
