| Istres to Cologno al Serio | 272.36 mi (438.32 km) |
| Istres to Cologno Monzese | 252.91 mi (407.02 km) |
| Istres to Colorno | 284.40 mi (457.70 km) |
| Istres to Comacchio | 366.03 mi (589.07 km) |
| Istres to Comiso | 679.41 mi (1,093.41 km) |
| Istres to Como | 256.22 mi (412.35 km) |
| Istres to Concordia Sagittaria | 416.34 mi (670.04 km) |
| Istres to Concorezzo | 257.51 mi (414.43 km) |
| Istres to Conegliano | 394.34 mi (634.62 km) |
| Istres to Conselice | 346.91 mi (558.31 km) |
| Istres to Conselve | 359.65 mi (578.81 km) |
| Istres to Conversano | 644.15 mi (1,036.67 km) |
| Istres to Copertino | 707.35 mi (1,138.37 km) |
| Istres to Copparo | 352.08 mi (566.61 km) |
| Istres to Corato | 604.73 mi (973.22 km) |
