| Onalaska to Caldicot | 3,887.89 mi (6,256.95 km) |
| Onalaska to Calne | 3,920.86 mi (6,310.01 km) |
| Onalaska to Cam | 3,898.37 mi (6,273.82 km) |
| Onalaska to Camberley | 3,971.25 mi (6,391.11 km) |
| Onalaska to Camborne | 3,838.40 mi (6,177.31 km) |
| Onalaska to Cambridge | 3,971.49 mi (6,391.50 km) |
| Onalaska to Cambuslang | 3,698.51 mi (5,952.18 km) |
| Onalaska to Canford Cliffs | 3,949.71 mi (6,356.44 km) |
| Onalaska to Cannock | 3,876.60 mi (6,238.79 km) |
| Onalaska to Canterbury | 4,040.13 mi (6,501.96 km) |
| Onalaska to Carlisle | 3,770.54 mi (6,068.09 km) |
| Onalaska to Carlton Colville | 4,018.93 mi (6,467.85 km) |
| Onalaska to Carluke | 3,712.72 mi (5,975.04 km) |
| Onalaska to Carnoustie | 3,727.39 mi (5,998.65 km) |
| Onalaska to Carshalton | 3,991.31 mi (6,423.40 km) |
