| Allouez to Cromer | 3,846.08 mi (6,189.66 km) |
| Allouez to Crosby | 3,670.31 mi (5,906.80 km) |
| Allouez to Crowborough | 3,869.68 mi (6,227.64 km) |
| Allouez to Croxley Green | 3,826.67 mi (6,158.43 km) |
| Allouez to Croydon | 3,848.65 mi (6,193.80 km) |
| Allouez to Cudworth | 3,726.23 mi (5,996.79 km) |
| Allouez to Culcheth | 3,690.15 mi (5,938.72 km) |
| Allouez to Cullercoats | 3,678.83 mi (5,920.51 km) |
| Allouez to Cumbernauld | 3,561.09 mi (5,731.02 km) |
| Allouez to Cumnock | 3,565.99 mi (5,738.90 km) |
| Allouez to Cupar | 3,584.36 mi (5,768.46 km) |
| Allouez to Cwmbran | 3,730.10 mi (6,003.02 km) |
| Allouez to Dagenham | 3,852.19 mi (6,199.50 km) |
| Allouez to Dalkeith | 3,595.29 mi (5,786.06 km) |
| Allouez to Darfield | 3,728.77 mi (6,000.88 km) |
