| Troutdale to Cabestany | 5,477.79 mi (8,815.65 km) |
| Troutdale to Cabries | 5,505.09 mi (8,859.59 km) |
| Troutdale to Cachan | 5,119.40 mi (8,238.88 km) |
| Troutdale to Caen | 5,023.39 mi (8,084.36 km) |
| Troutdale to Cagnes-sur-Mer | 5,541.47 mi (8,918.14 km) |
| Troutdale to Cahors | 5,334.84 mi (8,585.59 km) |
| Troutdale to Calais | 4,987.81 mi (8,027.11 km) |
| Troutdale to Caluire-et-Cuire | 5,356.25 mi (8,620.05 km) |
| Troutdale to Cambrai | 5,066.79 mi (8,154.22 km) |
| Troutdale to Canet-en-Roussillon | 5,478.28 mi (8,816.44 km) |
| Troutdale to Cannes | 5,544.27 mi (8,922.64 km) |
| Troutdale to Canteleu | 5,047.69 mi (8,123.47 km) |
| Troutdale to Capbreton | 5,292.44 mi (8,517.36 km) |
| Troutdale to Carcassonne | 5,430.58 mi (8,739.68 km) |
| Troutdale to Carmaux | 5,378.06 mi (8,655.15 km) |
