| Somain to Deville-les-Rouen | 116.66 mi (187.75 km) |
| Somain to Dieppe | 102.01 mi (164.18 km) |
| Somain to Digne-les-Bains | 454.44 mi (731.35 km) |
| Somain to Dijon | 224.43 mi (361.19 km) |
| Somain to Dinan | 273.22 mi (439.71 km) |
| Somain to Dinard | 267.64 mi (430.72 km) |
| Somain to Divonne-les-Bains | 306.02 mi (492.49 km) |
| Somain to Dole | 247.00 mi (397.50 km) |
| Somain to Dombasle-sur-Meurthe | 182.47 mi (293.66 km) |
| Somain to Domerat | 278.29 mi (447.87 km) |
| Somain to Domont | 101.30 mi (163.02 km) |
| Somain to Douai | 8.88 mi (14.29 km) |
| Somain to Douarnenez | 377.17 mi (607.00 km) |
| Somain to Douchy-les-Mines | 6.31 mi (10.16 km) |
| Somain to Dourdan | 138.61 mi (223.08 km) |
