| Onalaska to Clacton-on-Sea | 4,023.66 mi (6,475.45 km) |
| Onalaska to Clay Cross | 3,882.57 mi (6,248.39 km) |
| Onalaska to Clayton | 3,847.16 mi (6,191.41 km) |
| Onalaska to Clayton le Moors | 3,827.04 mi (6,159.03 km) |
| Onalaska to Cleckheaton | 3,852.46 mi (6,199.93 km) |
| Onalaska to Cleethorpes | 3,918.65 mi (6,306.46 km) |
| Onalaska to Clevedon | 3,889.27 mi (6,259.18 km) |
| Onalaska to Clifton | 3,900.02 mi (6,276.48 km) |
| Onalaska to Clifton | 3,866.11 mi (6,221.90 km) |
| Onalaska to Cliftonville | 4,047.96 mi (6,514.55 km) |
| Onalaska to Clitheroe | 3,823.56 mi (6,153.43 km) |
| Onalaska to Clydebank | 3,687.93 mi (5,935.14 km) |
| Onalaska to Coalville | 3,899.33 mi (6,275.37 km) |
| Onalaska to Coatbridge | 3,702.05 mi (5,957.87 km) |
| Onalaska to Cobham | 3,983.74 mi (6,411.21 km) |
