| Olean to Carpentras | 4,022.98 mi (6,474.36 km) |
| Olean to Carquefou | 3,639.87 mi (5,857.81 km) |
| Olean to Carqueiranne | 4,100.78 mi (6,599.56 km) |
| Olean to Carrieres-sous-Poissy | 3,739.31 mi (6,017.83 km) |
| Olean to Carrieres-sur-Seine | 3,750.66 mi (6,036.11 km) |
| Olean to Carros | 4,124.92 mi (6,638.42 km) |
| Olean to Carvin | 3,731.11 mi (6,004.65 km) |
| Olean to Castanet-Tolosan | 3,886.50 mi (6,254.72 km) |
| Olean to Castelginest | 3,877.77 mi (6,240.67 km) |
| Olean to Castelnau-le-Lez | 3,987.66 mi (6,417.52 km) |
| Olean to Castelnaudary | 3,913.12 mi (6,297.56 km) |
| Olean to Castelsarrasin | 3,852.16 mi (6,199.45 km) |
| Olean to Castres | 3,916.75 mi (6,303.40 km) |
| Olean to Caudebec-les-Elbeuf | 3,687.88 mi (5,935.06 km) |
| Olean to Caudry | 3,760.04 mi (6,051.20 km) |
