| Boulogne-sur-Mer to Dieppe | 60.50 mi (97.37 km) |
| Boulogne-sur-Mer to Digne-les-Bains | 506.48 mi (815.11 km) |
| Boulogne-sur-Mer to Dijon | 281.47 mi (452.97 km) |
| Boulogne-sur-Mer to Dinan | 227.02 mi (365.36 km) |
| Boulogne-sur-Mer to Dinard | 218.92 mi (352.31 km) |
| Boulogne-sur-Mer to Divonne-les-Bains | 365.99 mi (589.00 km) |
| Boulogne-sur-Mer to Dole | 306.50 mi (493.26 km) |
| Boulogne-sur-Mer to Dombasle-sur-Meurthe | 256.63 mi (413.01 km) |
| Boulogne-sur-Mer to Domerat | 304.58 mi (490.18 km) |
| Boulogne-sur-Mer to Domont | 121.59 mi (195.67 km) |
| Boulogne-sur-Mer to Douai | 68.85 mi (110.80 km) |
| Boulogne-sur-Mer to Douarnenez | 323.19 mi (520.13 km) |
| Boulogne-sur-Mer to Douchy-les-Mines | 83.48 mi (134.34 km) |
| Boulogne-sur-Mer to Dourdan | 152.86 mi (246.01 km) |
| Boulogne-sur-Mer to Draguignan | 546.09 mi (878.85 km) |
