| East Islip to Cromer | 3,454.86 mi (5,560.06 km) |
| East Islip to Crosby | 3,271.80 mi (5,265.46 km) |
| East Islip to Crowborough | 3,448.56 mi (5,549.92 km) |
| East Islip to Croxley Green | 3,411.23 mi (5,489.84 km) |
| East Islip to Croydon | 3,430.73 mi (5,521.22 km) |
| East Islip to Cudworth | 3,334.50 mi (5,366.36 km) |
| East Islip to Culcheth | 3,292.83 mi (5,299.29 km) |
| East Islip to Cullercoats | 3,308.39 mi (5,324.34 km) |
| East Islip to Cumbernauld | 3,196.76 mi (5,144.68 km) |
| East Islip to Cumnock | 3,193.24 mi (5,139.02 km) |
| East Islip to Cupar | 3,228.69 mi (5,196.08 km) |
| East Islip to Cwmbran | 3,305.34 mi (5,319.44 km) |
| East Islip to Dagenham | 3,437.49 mi (5,532.11 km) |
| East Islip to Dalkeith | 3,232.92 mi (5,202.88 km) |
| East Islip to Darfield | 3,336.57 mi (5,369.69 km) |
