| Portage to Cromer | 3,864.52 mi (6,219.34 km) |
| Portage to Crosby | 3,685.85 mi (5,931.80 km) |
| Portage to Crowborough | 3,879.84 mi (6,244.00 km) |
| Portage to Croxley Green | 3,838.24 mi (6,177.05 km) |
| Portage to Croydon | 3,859.62 mi (6,211.46 km) |
| Portage to Cudworth | 3,743.93 mi (6,025.28 km) |
| Portage to Culcheth | 3,706.11 mi (5,964.42 km) |
| Portage to Cullercoats | 3,702.12 mi (5,957.98 km) |
| Portage to Cumbernauld | 3,585.39 mi (5,770.12 km) |
| Portage to Cumnock | 3,588.04 mi (5,774.39 km) |
| Portage to Cupar | 3,611.11 mi (5,811.52 km) |
| Portage to Cwmbran | 3,738.56 mi (6,016.63 km) |
| Portage to Dagenham | 3,864.09 mi (6,218.65 km) |
| Portage to Dalkeith | 3,620.31 mi (5,826.32 km) |
| Portage to Darfield | 3,746.36 mi (6,029.18 km) |
