| Commack to Cocentaina | 3,752.65 mi (6,039.30 km) |
| Commack to Coin | 3,608.18 mi (5,806.80 km) |
| Commack to Colindres | 3,475.16 mi (5,592.72 km) |
| Commack to Collado-Villalba | 3,525.10 mi (5,673.10 km) |
| Commack to Colmenar Viejo | 3,535.94 mi (5,690.54 km) |
| Commack to Colmenarejo | 3,526.77 mi (5,675.79 km) |
| Commack to Conil de la Frontera | 3,554.68 mi (5,720.71 km) |
| Commack to Consuegra | 3,578.54 mi (5,759.11 km) |
| Commack to Corbera de Llobregat | 3,781.55 mi (6,085.81 km) |
| Commack to Cordoba | 3,569.04 mi (5,743.82 km) |
| Commack to Coria del Rio | 3,524.94 mi (5,672.85 km) |
| Commack to Crevillente | 3,750.63 mi (6,036.05 km) |
| Commack to Cuarte de Huerva | 3,643.78 mi (5,864.09 km) |
| Commack to Cubellas | 3,775.92 mi (6,076.75 km) |
| Commack to Cuellar | 3,488.90 mi (5,614.85 km) |
