| Merthyr Tudful to Ittiri | 956.24 mi (1,538.91 km) |
| Merthyr Tudful to Ivrea | 671.24 mi (1,080.25 km) |
| Merthyr Tudful to L'Aquila | 1,018.10 mi (1,638.47 km) |
| Merthyr Tudful to La Loggia | 689.30 mi (1,109.32 km) |
| Merthyr Tudful to La Maddalena | 945.12 mi (1,521.03 km) |
| Merthyr Tudful to La Spezia | 805.37 mi (1,296.12 km) |
| Merthyr Tudful to Lacchiarella | 722.67 mi (1,163.03 km) |
| Merthyr Tudful to Ladispoli | 991.54 mi (1,595.72 km) |
| Merthyr Tudful to Lainate | 707.66 mi (1,138.88 km) |
| Merthyr Tudful to Laives | 758.58 mi (1,220.82 km) |
| Merthyr Tudful to Lana | 743.63 mi (1,196.75 km) |
| Merthyr Tudful to Lanciano | 1,059.40 mi (1,704.94 km) |
| Merthyr Tudful to Langhirano | 796.34 mi (1,281.58 km) |
| Merthyr Tudful to Lanuvio | 1,026.99 mi (1,652.77 km) |
| Merthyr Tudful to Lariano | 1,029.03 mi (1,656.07 km) |
