| East Islip to Clacton-on-Sea | 3,472.91 mi (5,589.11 km) |
| East Islip to Clay Cross | 3,342.22 mi (5,378.78 km) |
| East Islip to Clayton | 3,315.09 mi (5,335.13 km) |
| East Islip to Clayton le Moors | 3,292.68 mi (5,299.06 km) |
| East Islip to Cleckheaton | 3,319.84 mi (5,342.76 km) |
| East Islip to Cleethorpes | 3,390.00 mi (5,455.68 km) |
| East Islip to Clevedon | 3,316.35 mi (5,337.15 km) |
| East Islip to Clifton | 3,356.54 mi (5,401.82 km) |
| East Islip to Clifton | 3,339.85 mi (5,374.97 km) |
| East Islip to Cliftonville | 3,492.36 mi (5,620.40 km) |
| East Islip to Clitheroe | 3,290.73 mi (5,295.91 km) |
| East Islip to Clydebank | 3,181.93 mi (5,120.81 km) |
| East Islip to Coalville | 3,352.26 mi (5,394.95 km) |
| East Islip to Coatbridge | 3,196.64 mi (5,144.50 km) |
| East Islip to Cobham | 3,419.37 mi (5,502.94 km) |
