| Soma to Carpentras | 1,208.44 mi (1,944.79 km) |
| Soma to Carquefou | 1,557.05 mi (2,505.83 km) |
| Soma to Carqueiranne | 1,149.11 mi (1,849.31 km) |
| Soma to Carrieres-sous-Poissy | 1,427.68 mi (2,297.62 km) |
| Soma to Carrieres-sur-Seine | 1,416.09 mi (2,278.98 km) |
| Soma to Carros | 1,099.96 mi (1,770.21 km) |
| Soma to Carvin | 1,427.79 mi (2,297.80 km) |
| Soma to Castanet-Tolosan | 1,380.78 mi (2,222.15 km) |
| Soma to Castelginest | 1,384.84 mi (2,228.68 km) |
| Soma to Castelnau-le-Lez | 1,261.56 mi (2,030.28 km) |
| Soma to Castelnaudary | 1,357.13 mi (2,184.08 km) |
| Soma to Castelsarrasin | 1,402.82 mi (2,257.62 km) |
| Soma to Castres | 1,343.62 mi (2,162.35 km) |
| Soma to Caudebec-les-Elbeuf | 1,478.59 mi (2,379.56 km) |
| Soma to Caudry | 1,399.28 mi (2,251.93 km) |
