| Caernarfon to Lormont | 595.30 mi (958.04 km) |
| Caernarfon to Loudeac | 349.21 mi (562.00 km) |
| Caernarfon to Lourdes | 720.55 mi (1,159.62 km) |
| Caernarfon to Louviers | 358.91 mi (577.62 km) |
| Caernarfon to Louvres | 407.77 mi (656.24 km) |
| Caernarfon to Luce | 409.95 mi (659.75 km) |
| Caernarfon to Lucon | 482.09 mi (775.85 km) |
| Caernarfon to Lunel | 757.86 mi (1,219.65 km) |
| Caernarfon to Luneville | 564.34 mi (908.22 km) |
| Caernarfon to Lyon | 652.74 mi (1,050.49 km) |
| Caernarfon to Lys-les-Lannoy | 361.52 mi (581.81 km) |
| Caernarfon to Macon | 622.08 mi (1,001.15 km) |
| Caernarfon to Magny-le-Hongre | 426.46 mi (686.32 km) |
| Caernarfon to Magny-les-Hameaux | 411.59 mi (662.38 km) |
| Caernarfon to Mainvilliers | 409.03 mi (658.27 km) |
