| Hackettstown to Cromer | 3,513.91 mi (5,655.09 km) |
| Hackettstown to Crosby | 3,331.15 mi (5,360.96 km) |
| Hackettstown to Crowborough | 3,510.38 mi (5,649.42 km) |
| Hackettstown to Croxley Green | 3,472.45 mi (5,588.37 km) |
| Hackettstown to Croydon | 3,492.22 mi (5,620.18 km) |
| Hackettstown to Cudworth | 3,393.34 mi (5,461.05 km) |
| Hackettstown to Culcheth | 3,352.10 mi (5,394.69 km) |
| Hackettstown to Cullercoats | 3,365.14 mi (5,415.67 km) |
| Hackettstown to Cumbernauld | 3,252.65 mi (5,234.64 km) |
| Hackettstown to Cumnock | 3,249.94 mi (5,230.27 km) |
| Hackettstown to Cupar | 3,283.83 mi (5,284.81 km) |
| Hackettstown to Cwmbran | 3,367.22 mi (5,419.02 km) |
| Hackettstown to Dagenham | 3,498.70 mi (5,630.61 km) |
| Hackettstown to Dalkeith | 3,288.71 mi (5,292.67 km) |
| Hackettstown to Darfield | 3,395.46 mi (5,464.46 km) |
