| Boulogne-sur-Mer to La Roche-sur-Foron | 387.22 mi (623.18 km) |
| Boulogne-sur-Mer to La Roche-sur-Yon | 312.60 mi (503.08 km) |
| Boulogne-sur-Mer to La Rochelle | 339.94 mi (547.08 km) |
| Boulogne-sur-Mer to La Seyne-sur-Mer | 563.89 mi (907.49 km) |
| Boulogne-sur-Mer to La Teste-de-Buch | 440.94 mi (709.63 km) |
| Boulogne-sur-Mer to La Trinite | 551.39 mi (887.37 km) |
| Boulogne-sur-Mer to La Valette-du-Var | 563.09 mi (906.21 km) |
| Boulogne-sur-Mer to Lamballe | 241.98 mi (389.43 km) |
| Boulogne-sur-Mer to Lambersart | 61.96 mi (99.71 km) |
| Boulogne-sur-Mer to Lambesc | 517.63 mi (833.05 km) |
| Boulogne-sur-Mer to Lamorlaye | 114.62 mi (184.46 km) |
| Boulogne-sur-Mer to Lancon-Provence | 519.65 mi (836.30 km) |
| Boulogne-sur-Mer to Landerneau | 305.99 mi (492.44 km) |
| Boulogne-sur-Mer to Landivisiau | 296.84 mi (477.72 km) |
| Boulogne-sur-Mer to Lanester | 302.97 mi (487.58 km) |
