| Caerphilly to Lormont | 479.10 mi (771.04 km) |
| Caerphilly to Loudeac | 235.84 mi (379.55 km) |
| Caerphilly to Lourdes | 604.50 mi (972.85 km) |
| Caerphilly to Louviers | 252.76 mi (406.78 km) |
| Caerphilly to Louvres | 307.16 mi (494.32 km) |
| Caerphilly to Luce | 300.38 mi (483.42 km) |
| Caerphilly to Lucon | 365.96 mi (588.95 km) |
| Caerphilly to Lunel | 643.68 mi (1,035.90 km) |
| Caerphilly to Luneville | 477.33 mi (768.20 km) |
| Caerphilly to Lyon | 544.14 mi (875.71 km) |
| Caerphilly to Lys-les-Lannoy | 285.78 mi (459.93 km) |
| Caerphilly to Macon | 515.28 mi (829.27 km) |
| Caerphilly to Magny-le-Hongre | 325.85 mi (524.40 km) |
| Caerphilly to Magny-les-Hameaux | 306.44 mi (493.17 km) |
| Caerphilly to Mainvilliers | 299.53 mi (482.05 km) |
