| Firminy to Cologno al Serio | 262.49 mi (422.44 km) |
| Firminy to Cologno Monzese | 242.04 mi (389.53 km) |
| Firminy to Colorno | 298.58 mi (480.52 km) |
| Firminy to Comacchio | 388.24 mi (624.81 km) |
| Firminy to Comiso | 790.93 mi (1,272.87 km) |
| Firminy to Como | 233.78 mi (376.24 km) |
| Firminy to Concordia Sagittaria | 414.74 mi (667.45 km) |
| Firminy to Concorezzo | 244.90 mi (394.13 km) |
| Firminy to Conegliano | 388.34 mi (624.97 km) |
| Firminy to Conselice | 373.72 mi (601.44 km) |
| Firminy to Conselve | 368.31 mi (592.74 km) |
| Firminy to Conversano | 713.87 mi (1,148.86 km) |
| Firminy to Copertino | 780.61 mi (1,256.27 km) |
| Firminy to Copparo | 369.15 mi (594.09 km) |
| Firminy to Corato | 675.16 mi (1,086.56 km) |
