| Boulogne-sur-Mer to Loudeac | 263.55 mi (424.14 km) |
| Boulogne-sur-Mer to Lourdes | 533.03 mi (857.83 km) |
| Boulogne-sur-Mer to Louviers | 106.30 mi (171.07 km) |
| Boulogne-sur-Mer to Louvres | 122.82 mi (197.66 km) |
| Boulogne-sur-Mer to Luce | 158.23 mi (254.65 km) |
| Boulogne-sur-Mer to Lucon | 321.28 mi (517.05 km) |
| Boulogne-sur-Mer to Lunel | 501.16 mi (806.54 km) |
| Boulogne-sur-Mer to Luneville | 263.69 mi (424.37 km) |
| Boulogne-sur-Mer to Lyon | 373.77 mi (601.53 km) |
| Boulogne-sur-Mer to Lys-les-Lannoy | 70.11 mi (112.83 km) |
| Boulogne-sur-Mer to Macon | 338.95 mi (545.49 km) |
| Boulogne-sur-Mer to Magny-le-Hongre | 139.40 mi (224.34 km) |
| Boulogne-sur-Mer to Magny-les-Hameaux | 139.94 mi (225.21 km) |
| Boulogne-sur-Mer to Mainvilliers | 157.22 mi (253.02 km) |
| Boulogne-sur-Mer to Maisons-Alfort | 137.69 mi (221.59 km) |
