| Pen-y-Bont ar Ogwr to Lapua | 1,255.32 mi (2,020.24 km) |
| Pen-y-Bont ar Ogwr to Laukaa | 1,325.18 mi (2,132.68 km) |
| Pen-y-Bont ar Ogwr to Lauritsala | 1,368.97 mi (2,203.14 km) |
| Pen-y-Bont ar Ogwr to Lempaala | 1,231.05 mi (1,981.19 km) |
| Pen-y-Bont ar Ogwr to Leppavirta | 1,382.17 mi (2,224.38 km) |
| Pen-y-Bont ar Ogwr to Lieksa | 1,466.70 mi (2,360.43 km) |
| Pen-y-Bont ar Ogwr to Lieto | 1,170.27 mi (1,883.36 km) |
| Pen-y-Bont ar Ogwr to Liminka | 1,378.67 mi (2,218.76 km) |
| Pen-y-Bont ar Ogwr to Liperi | 1,431.50 mi (2,303.78 km) |
| Pen-y-Bont ar Ogwr to Lohja | 1,216.95 mi (1,958.49 km) |
| Pen-y-Bont ar Ogwr to Loimaa | 1,198.02 mi (1,928.02 km) |
| Pen-y-Bont ar Ogwr to Loviisa | 1,292.06 mi (2,079.36 km) |
| Pen-y-Bont ar Ogwr to Mantsala | 1,265.45 mi (2,036.55 km) |
| Pen-y-Bont ar Ogwr to Mariehamn | 1,080.01 mi (1,738.10 km) |
| Pen-y-Bont ar Ogwr to Masku | 1,160.88 mi (1,868.26 km) |
