| Sulmona to Collegno | 380.62 mi (612.55 km) |
| Sulmona to Cologno al Serio | 322.49 mi (518.99 km) |
| Sulmona to Cologno Monzese | 333.92 mi (537.39 km) |
| Sulmona to Colorno | 266.93 mi (429.58 km) |
| Sulmona to Comacchio | 203.06 mi (326.79 km) |
| Sulmona to Comiso | 354.06 mi (569.81 km) |
| Sulmona to Como | 354.24 mi (570.09 km) |
| Sulmona to Concordia Sagittaria | 262.46 mi (422.38 km) |
| Sulmona to Concorezzo | 334.92 mi (539.01 km) |
| Sulmona to Conegliano | 277.31 mi (446.29 km) |
| Sulmona to Conselice | 200.42 mi (322.55 km) |
| Sulmona to Conselve | 242.96 mi (391.01 km) |
| Sulmona to Conversano | 181.19 mi (291.59 km) |
| Sulmona to Copertino | 247.28 mi (397.96 km) |
| Sulmona to Copparo | 223.23 mi (359.26 km) |
