| Trets to Lapua | 1,516.26 mi (2,440.19 km) |
| Trets to Laukaa | 1,544.19 mi (2,485.13 km) |
| Trets to Lauritsala | 1,530.86 mi (2,463.68 km) |
| Trets to Lempaala | 1,439.87 mi (2,317.25 km) |
| Trets to Leppavirta | 1,587.95 mi (2,555.56 km) |
| Trets to Lieksa | 1,677.94 mi (2,700.38 km) |
| Trets to Lieto | 1,368.52 mi (2,202.43 km) |
| Trets to Liminka | 1,662.01 mi (2,674.74 km) |
| Trets to Liperi | 1,626.36 mi (2,617.37 km) |
| Trets to Lohja | 1,390.74 mi (2,238.17 km) |
| Trets to Loimaa | 1,400.27 mi (2,253.52 km) |
| Trets to Loviisa | 1,452.14 mi (2,337.00 km) |
| Trets to Mantsala | 1,439.04 mi (2,315.91 km) |
| Trets to Mariehamn | 1,295.55 mi (2,084.99 km) |
| Trets to Masku | 1,365.11 mi (2,196.94 km) |
