| Onalaska to Cosham | 3,976.93 mi (6,400.24 km) |
| Onalaska to Costessey | 3,994.47 mi (6,428.48 km) |
| Onalaska to Cottingham | 3,896.81 mi (6,271.32 km) |
| Onalaska to Coulsdon | 3,993.98 mi (6,427.68 km) |
| Onalaska to Coventry | 3,905.16 mi (6,284.75 km) |
| Onalaska to Cowdenbeath | 3,717.73 mi (5,983.11 km) |
| Onalaska to Cowes | 3,971.17 mi (6,390.97 km) |
| Onalaska to Cowley | 3,973.93 mi (6,395.42 km) |
| Onalaska to Cowley | 3,939.66 mi (6,340.26 km) |
| Onalaska to Cramlington | 3,811.76 mi (6,134.44 km) |
| Onalaska to Cranleigh | 3,988.14 mi (6,418.29 km) |
| Onalaska to Crawley | 3,999.87 mi (6,437.17 km) |
| Onalaska to Crayford | 4,001.06 mi (6,439.09 km) |
| Onalaska to Crewe | 3,847.73 mi (6,192.33 km) |
| Onalaska to Crigglestone | 3,862.21 mi (6,215.62 km) |
