| Alpena to Clacton-on-Sea | 3,683.03 mi (5,927.27 km) |
| Alpena to Clay Cross | 3,543.75 mi (5,703.11 km) |
| Alpena to Clayton | 3,510.22 mi (5,649.15 km) |
| Alpena to Clayton le Moors | 3,489.40 mi (5,615.65 km) |
| Alpena to Cleckheaton | 3,515.41 mi (5,657.50 km) |
| Alpena to Cleethorpes | 3,583.00 mi (5,766.27 km) |
| Alpena to Clevedon | 3,542.53 mi (5,701.16 km) |
| Alpena to Clifton | 3,560.52 mi (5,730.11 km) |
| Alpena to Clifton | 3,530.75 mi (5,682.19 km) |
| Alpena to Cliftonville | 3,706.26 mi (5,964.64 km) |
| Alpena to Clitheroe | 3,486.29 mi (5,610.63 km) |
| Alpena to Clydebank | 3,356.64 mi (5,401.99 km) |
| Alpena to Coalville | 3,558.94 mi (5,727.56 km) |
| Alpena to Coatbridge | 3,371.01 mi (5,425.12 km) |
| Alpena to Cobham | 3,639.56 mi (5,857.30 km) |
