| Somain to Creutzwald | 171.90 mi (276.64 km) |
| Somain to Croissy-sur-Seine | 114.22 mi (183.83 km) |
| Somain to Croix | 22.87 mi (36.81 km) |
| Somain to Crosne | 119.30 mi (191.99 km) |
| Somain to Cuers | 509.24 mi (819.55 km) |
| Somain to Cugnaux | 479.92 mi (772.36 km) |
| Somain to Cusset | 291.90 mi (469.77 km) |
| Somain to Dammarie-le-Lys | 130.33 mi (209.74 km) |
| Somain to Dammartin-en-Goele | 93.94 mi (151.18 km) |
| Somain to Dardilly | 321.75 mi (517.81 km) |
| Somain to Darnetal | 113.82 mi (183.18 km) |
| Somain to Dax | 502.31 mi (808.40 km) |
| Somain to Decines-Charpieu | 326.33 mi (525.17 km) |
| Somain to Denain | 5.44 mi (8.75 km) |
| Somain to Deuil-la-Barre | 104.49 mi (168.16 km) |
