| Union to Lapua | 4,550.35 mi (7,323.09 km) |
| Union to Laukaa | 4,646.57 mi (7,477.93 km) |
| Union to Lauritsala | 4,764.88 mi (7,668.33 km) |
| Union to Lempaala | 4,640.75 mi (7,468.57 km) |
| Union to Leppavirta | 4,687.13 mi (7,543.20 km) |
| Union to Lieksa | 4,699.74 mi (7,563.49 km) |
| Union to Lieto | 4,642.48 mi (7,471.34 km) |
| Union to Liminka | 4,527.43 mi (7,286.19 km) |
| Union to Liperi | 4,722.54 mi (7,600.19 km) |
| Union to Lohja | 4,696.11 mi (7,557.65 km) |
| Union to Loimaa | 4,643.29 mi (7,472.65 km) |
| Union to Loviisa | 4,742.73 mi (7,632.68 km) |
| Union to Mantsala | 4,711.35 mi (7,582.18 km) |
| Union to Mariehamn | 4,591.50 mi (7,389.30 km) |
| Union to Masku | 4,630.14 mi (7,451.49 km) |
