| Caerfyrddin to Lormont | 512.37 mi (824.58 km) |
| Caerfyrddin to Loudeac | 263.42 mi (423.94 km) |
| Caerfyrddin to Lourdes | 637.05 mi (1,025.23 km) |
| Caerfyrddin to Louviers | 301.92 mi (485.90 km) |
| Caerfyrddin to Louvres | 357.29 mi (575.00 km) |
| Caerfyrddin to Luce | 348.06 mi (560.14 km) |
| Caerfyrddin to Lucon | 399.32 mi (642.65 km) |
| Caerfyrddin to Lunel | 687.05 mi (1,105.70 km) |
| Caerfyrddin to Luneville | 528.10 mi (849.90 km) |
| Caerfyrddin to Lyon | 591.58 mi (952.06 km) |
| Caerfyrddin to Lys-les-Lannoy | 335.53 mi (539.99 km) |
| Caerfyrddin to Macon | 563.49 mi (906.85 km) |
| Caerfyrddin to Magny-le-Hongre | 375.94 mi (605.01 km) |
| Caerfyrddin to Magny-les-Hameaux | 355.67 mi (572.39 km) |
| Caerfyrddin to Mainvilliers | 347.23 mi (558.82 km) |
