| Merthyr Tudful to Lasko | 925.31 mi (1,489.13 km) |
| Merthyr Tudful to Lenart v Slovenskih Goricah | 935.08 mi (1,504.86 km) |
| Merthyr Tudful to Lendava | 961.13 mi (1,546.78 km) |
| Merthyr Tudful to Litija | 911.38 mi (1,466.72 km) |
| Merthyr Tudful to Ljubljana | 899.35 mi (1,447.36 km) |
| Merthyr Tudful to Ljubno | 902.40 mi (1,452.28 km) |
| Merthyr Tudful to Ljutomer | 952.36 mi (1,532.67 km) |
| Merthyr Tudful to Logatec | 893.23 mi (1,437.51 km) |
| Merthyr Tudful to Lovrenc na Pohorju | 917.83 mi (1,477.11 km) |
| Merthyr Tudful to Luce | 897.91 mi (1,445.05 km) |
| Merthyr Tudful to Lukovica | 902.47 mi (1,452.38 km) |
| Merthyr Tudful to Majsperk | 938.72 mi (1,510.73 km) |
| Merthyr Tudful to Makole | 937.13 mi (1,508.17 km) |
| Merthyr Tudful to Maribor | 927.94 mi (1,493.37 km) |
| Merthyr Tudful to Markovci | 945.30 mi (1,521.31 km) |
