| Williamsport to Cromer | 3,583.07 mi (5,766.40 km) |
| Williamsport to Crosby | 3,400.91 mi (5,473.24 km) |
| Williamsport to Crowborough | 3,583.76 mi (5,767.51 km) |
| Williamsport to Croxley Green | 3,544.95 mi (5,705.04 km) |
| Williamsport to Croydon | 3,565.11 mi (5,737.49 km) |
| Williamsport to Cudworth | 3,462.29 mi (5,572.02 km) |
| Williamsport to Culcheth | 3,421.75 mi (5,506.77 km) |
| Williamsport to Cullercoats | 3,430.99 mi (5,521.65 km) |
| Williamsport to Cumbernauld | 3,317.33 mi (5,338.73 km) |
| Williamsport to Cumnock | 3,315.82 mi (5,336.29 km) |
| Williamsport to Cupar | 3,347.35 mi (5,387.04 km) |
| Williamsport to Cwmbran | 3,440.79 mi (5,537.42 km) |
| Williamsport to Dagenham | 3,571.15 mi (5,747.20 km) |
| Williamsport to Dalkeith | 3,353.21 mi (5,396.47 km) |
| Williamsport to Darfield | 3,464.48 mi (5,575.55 km) |
