| Donegal to Lapua | 1,236.01 mi (1,989.17 km) |
| Donegal to Laukaa | 1,320.48 mi (2,125.11 km) |
| Donegal to Lauritsala | 1,387.28 mi (2,232.61 km) |
| Donegal to Lempaala | 1,239.10 mi (1,994.14 km) |
| Donegal to Leppavirta | 1,379.37 mi (2,219.88 km) |
| Donegal to Lieksa | 1,455.53 mi (2,342.45 km) |
| Donegal to Lieto | 1,189.05 mi (1,913.59 km) |
| Donegal to Liminka | 1,338.67 mi (2,154.38 km) |
| Donegal to Liperi | 1,430.29 mi (2,301.83 km) |
| Donegal to Lohja | 1,242.57 mi (1,999.72 km) |
| Donegal to Loimaa | 1,212.22 mi (1,950.88 km) |
| Donegal to Loviisa | 1,317.27 mi (2,119.95 km) |
| Donegal to Mantsala | 1,286.81 mi (2,070.93 km) |
| Donegal to Mariehamn | 1,100.22 mi (1,770.63 km) |
| Donegal to Masku | 1,177.79 mi (1,895.47 km) |
