| Alpena to Cromer | 3,651.38 mi (5,876.33 km) |
| Alpena to Crosby | 3,473.77 mi (5,590.49 km) |
| Alpena to Crowborough | 3,670.07 mi (5,906.41 km) |
| Alpena to Croxley Green | 3,627.86 mi (5,838.47 km) |
| Alpena to Croydon | 3,649.50 mi (5,873.30 km) |
| Alpena to Cudworth | 3,531.03 mi (5,682.65 km) |
| Alpena to Culcheth | 3,493.87 mi (5,622.85 km) |
| Alpena to Cullercoats | 3,487.12 mi (5,611.98 km) |
| Alpena to Cumbernauld | 3,369.98 mi (5,423.46 km) |
| Alpena to Cumnock | 3,373.43 mi (5,429.02 km) |
| Alpena to Cupar | 3,394.88 mi (5,463.52 km) |
| Alpena to Cwmbran | 3,529.46 mi (5,680.12 km) |
| Alpena to Dagenham | 3,653.58 mi (5,879.86 km) |
| Alpena to Dalkeith | 3,404.67 mi (5,479.28 km) |
| Alpena to Darfield | 3,533.50 mi (5,686.62 km) |
