| Sulmona to Coin | 1,062.06 mi (1,709.22 km) |
| Sulmona to Colindres | 885.20 mi (1,424.60 km) |
| Sulmona to Collado-Villalba | 933.74 mi (1,502.71 km) |
| Sulmona to Colmenar Viejo | 920.93 mi (1,482.10 km) |
| Sulmona to Colmenarejo | 935.22 mi (1,505.10 km) |
| Sulmona to Conil de la Frontera | 1,140.70 mi (1,835.78 km) |
| Sulmona to Consuegra | 933.12 mi (1,501.71 km) |
| Sulmona to Corbera de Llobregat | 619.50 mi (996.98 km) |
| Sulmona to Cordoba | 1,029.08 mi (1,656.15 km) |
| Sulmona to Coria del Rio | 1,109.30 mi (1,785.24 km) |
| Sulmona to Crevillente | 820.02 mi (1,319.70 km) |
| Sulmona to Cuarte de Huerva | 764.05 mi (1,229.61 km) |
| Sulmona to Cubellas | 634.87 mi (1,021.73 km) |
| Sulmona to Cuellar | 939.87 mi (1,512.58 km) |
| Sulmona to Cuenca | 847.37 mi (1,363.72 km) |
