| Somain to Chateaubriant | 278.78 mi (448.65 km) |
| Somain to Chateaudun | 180.68 mi (290.77 km) |
| Somain to Chateauneuf-les-Martigues | 489.99 mi (788.56 km) |
| Somain to Chateaurenard | 453.43 mi (729.73 km) |
| Somain to Chateauroux | 255.61 mi (411.36 km) |
| Somain to Chatellerault | 274.60 mi (441.92 km) |
| Somain to Chatenay-Malabry | 118.82 mi (191.23 km) |
| Somain to Chatillon | 116.40 mi (187.32 km) |
| Somain to Chatou | 113.18 mi (182.15 km) |
| Somain to Chaumont | 176.36 mi (283.83 km) |
| Somain to Chauny | 51.33 mi (82.61 km) |
| Somain to Chaville | 117.66 mi (189.36 km) |
| Somain to Checy | 179.42 mi (288.74 km) |
| Somain to Chelles | 106.31 mi (171.09 km) |
| Somain to Chennevieres-sur-Marne | 112.80 mi (181.53 km) |
