| Caerfyrddin to Leopoldsburg | 414.67 mi (667.34 km) |
| Caerfyrddin to Lessines | 360.64 mi (580.39 km) |
| Caerfyrddin to Leuven | 394.40 mi (634.72 km) |
| Caerfyrddin to Lichtervelde | 325.64 mi (524.07 km) |
| Caerfyrddin to Liedekerke | 368.54 mi (593.10 km) |
| Caerfyrddin to Liege | 435.41 mi (700.72 km) |
| Caerfyrddin to Lierre | 385.11 mi (619.77 km) |
| Caerfyrddin to Lille | 395.22 mi (636.05 km) |
| Caerfyrddin to Lint | 381.77 mi (614.41 km) |
| Caerfyrddin to Lochristi | 354.36 mi (570.29 km) |
| Caerfyrddin to Lokeren | 360.73 mi (580.55 km) |
| Caerfyrddin to Lommel | 415.83 mi (669.22 km) |
| Caerfyrddin to Londerzeel | 375.62 mi (604.51 km) |
| Caerfyrddin to Louvain-la-Neuve | 389.67 mi (627.11 km) |
| Caerfyrddin to Lovendegem | 344.45 mi (554.33 km) |
