| Billings to Cocentaina | 5,096.87 mi (8,202.62 km) |
| Billings to Coin | 5,034.63 mi (8,102.45 km) |
| Billings to Colindres | 4,758.68 mi (7,658.35 km) |
| Billings to Collado-Villalba | 4,870.75 mi (7,838.71 km) |
| Billings to Colmenar Viejo | 4,878.61 mi (7,851.36 km) |
| Billings to Colmenarejo | 4,873.92 mi (7,843.82 km) |
| Billings to Conil de la Frontera | 5,001.34 mi (8,048.88 km) |
| Billings to Consuegra | 4,942.64 mi (7,954.42 km) |
| Billings to Corbera de Llobregat | 5,048.75 mi (8,125.17 km) |
| Billings to Cordoba | 4,974.25 mi (8,005.28 km) |
| Billings to Coria del Rio | 4,953.60 mi (7,972.05 km) |
| Billings to Crevillente | 5,107.91 mi (8,220.39 km) |
| Billings to Cuarte de Huerva | 4,938.47 mi (7,947.71 km) |
| Billings to Cubellas | 5,050.04 mi (8,127.25 km) |
| Billings to Cuellar | 4,822.41 mi (7,760.92 km) |
