| Onalaska to Cromer | 3,987.71 mi (6,417.59 km) |
| Onalaska to Crosby | 3,813.27 mi (6,136.86 km) |
| Onalaska to Crowborough | 4,014.47 mi (6,460.66 km) |
| Onalaska to Croxley Green | 3,970.98 mi (6,390.68 km) |
| Onalaska to Croydon | 3,993.16 mi (6,426.37 km) |
| Onalaska to Cudworth | 3,868.28 mi (6,225.40 km) |
| Onalaska to Culcheth | 3,832.91 mi (6,168.48 km) |
| Onalaska to Cullercoats | 3,818.66 mi (6,145.55 km) |
| Onalaska to Cumbernauld | 3,700.63 mi (5,955.59 km) |
| Onalaska to Cumnock | 3,706.46 mi (5,964.97 km) |
| Onalaska to Cupar | 3,722.83 mi (5,991.32 km) |
| Onalaska to Cwmbran | 3,875.65 mi (6,237.25 km) |
| Onalaska to Dagenham | 3,996.35 mi (6,431.50 km) |
| Onalaska to Dalkeith | 3,734.49 mi (6,010.08 km) |
| Onalaska to Darfield | 3,870.87 mi (6,229.56 km) |
