| Caerfyrddin to Lichtenau | 564.38 mi (908.28 km) |
| Caerfyrddin to Lichtenfels | 676.69 mi (1,089.03 km) |
| Caerfyrddin to Lichtenstein | 734.29 mi (1,181.73 km) |
| Caerfyrddin to Lienen | 522.53 mi (840.94 km) |
| Caerfyrddin to Limbach-Oberfrohna | 737.72 mi (1,187.25 km) |
| Caerfyrddin to Limburg | 545.88 mi (878.51 km) |
| Caerfyrddin to Limburgerhof | 580.81 mi (934.73 km) |
| Caerfyrddin to Lindau | 691.36 mi (1,112.63 km) |
| Caerfyrddin to Lindenberg im Allgau | 698.17 mi (1,123.60 km) |
| Caerfyrddin to Lindlar | 506.68 mi (815.42 km) |
| Caerfyrddin to Lingen | 494.61 mi (796.00 km) |
| Caerfyrddin to Linkenheim-Hochstetten | 589.42 mi (948.58 km) |
| Caerfyrddin to Linnich | 459.64 mi (739.72 km) |
| Caerfyrddin to Lippstadt | 541.13 mi (870.87 km) |
| Caerfyrddin to Lobau | 816.29 mi (1,313.69 km) |
