| Sulmona to Cervello | 618.29 mi (995.04 km) |
| Sulmona to Cervera | 651.20 mi (1,048.00 km) |
| Sulmona to Ceuti | 847.78 mi (1,364.37 km) |
| Sulmona to Cheste | 783.86 mi (1,261.49 km) |
| Sulmona to Chiclana de la Frontera | 1,139.43 mi (1,833.73 km) |
| Sulmona to Chipiona | 1,144.18 mi (1,841.38 km) |
| Sulmona to Chiva | 785.82 mi (1,264.66 km) |
| Sulmona to Churriana de la Vega | 992.81 mi (1,597.78 km) |
| Sulmona to Ciempozuelos | 921.03 mi (1,482.26 km) |
| Sulmona to Cieza | 850.73 mi (1,369.12 km) |
| Sulmona to Cisterniga | 956.62 mi (1,539.53 km) |
| Sulmona to Ciudad de Melilla | 1,020.79 mi (1,642.81 km) |
| Sulmona to Ciudad Real | 958.94 mi (1,543.26 km) |
| Sulmona to Ciudad-Rodrigo | 1,064.10 mi (1,712.50 km) |
| Sulmona to Cocentaina | 788.56 mi (1,269.06 km) |
