| Le Portel to Loudeac | 261.29 mi (420.50 km) |
| Le Portel to Lourdes | 531.40 mi (855.21 km) |
| Le Portel to Louviers | 104.63 mi (168.38 km) |
| Le Portel to Louvres | 122.15 mi (196.58 km) |
| Le Portel to Luce | 156.81 mi (252.36 km) |
| Le Portel to Lucon | 319.29 mi (513.85 km) |
| Le Portel to Lunel | 500.30 mi (805.16 km) |
| Le Portel to Luneville | 264.51 mi (425.69 km) |
| Le Portel to Lyon | 373.29 mi (600.76 km) |
| Le Portel to Lys-les-Lannoy | 71.88 mi (115.67 km) |
| Le Portel to Macon | 338.56 mi (544.87 km) |
| Le Portel to Magny-le-Hongre | 138.87 mi (223.50 km) |
| Le Portel to Magny-les-Hameaux | 138.89 mi (223.51 km) |
| Le Portel to Mainvilliers | 155.79 mi (250.72 km) |
| Le Portel to Maisons-Alfort | 136.89 mi (220.30 km) |
