| Portsmouth to Lormont | 410.32 mi (660.35 km) |
| Portsmouth to Loudeac | 196.36 mi (316.01 km) |
| Portsmouth to Lourdes | 535.01 mi (861.02 km) |
| Portsmouth to Louviers | 148.59 mi (239.13 km) |
| Portsmouth to Louvres | 200.85 mi (323.24 km) |
| Portsmouth to Luce | 199.49 mi (321.05 km) |
| Portsmouth to Lucon | 300.65 mi (483.85 km) |
| Portsmouth to Lunel | 549.78 mi (884.78 km) |
| Portsmouth to Luneville | 371.90 mi (598.51 km) |
| Portsmouth to Lyon | 442.21 mi (711.66 km) |
| Portsmouth to Lys-les-Lannoy | 188.30 mi (303.03 km) |
| Portsmouth to Macon | 411.93 mi (662.94 km) |
| Portsmouth to Magny-le-Hongre | 219.58 mi (353.38 km) |
| Portsmouth to Magny-les-Hameaux | 201.77 mi (324.71 km) |
| Portsmouth to Mainvilliers | 198.57 mi (319.56 km) |
