| Allouez to Cocentaina | 4,317.66 mi (6,948.60 km) |
| Allouez to Coin | 4,212.17 mi (6,778.83 km) |
| Allouez to Colindres | 4,005.56 mi (6,446.33 km) |
| Allouez to Collado-Villalba | 4,087.49 mi (6,578.18 km) |
| Allouez to Colmenar Viejo | 4,097.00 mi (6,593.48 km) |
| Allouez to Colmenarejo | 4,089.94 mi (6,582.12 km) |
| Allouez to Conil de la Frontera | 4,168.15 mi (6,708.00 km) |
| Allouez to Consuegra | 4,150.96 mi (6,680.32 km) |
| Allouez to Corbera de Llobregat | 4,308.98 mi (6,934.63 km) |
| Allouez to Cordoba | 4,161.90 mi (6,697.94 km) |
| Allouez to Coria del Rio | 4,129.01 mi (6,645.00 km) |
| Allouez to Crevillente | 4,322.07 mi (6,955.71 km) |
| Allouez to Cuarte de Huerva | 4,182.58 mi (6,731.22 km) |
| Allouez to Cubellas | 4,306.67 mi (6,930.91 km) |
| Allouez to Cuellar | 4,044.64 mi (6,509.22 km) |
