| Treia to Lapua | 1,412.80 mi (2,273.69 km) |
| Treia to Laukaa | 1,415.45 mi (2,277.95 km) |
| Treia to Lauritsala | 1,373.22 mi (2,209.99 km) |
| Treia to Lempaala | 1,316.04 mi (2,117.96 km) |
| Treia to Leppavirta | 1,448.29 mi (2,330.79 km) |
| Treia to Lieksa | 1,533.84 mi (2,468.48 km) |
| Treia to Lieto | 1,247.07 mi (2,006.97 km) |
| Treia to Liminka | 1,557.98 mi (2,507.33 km) |
| Treia to Liperi | 1,477.73 mi (2,378.17 km) |
| Treia to Lohja | 1,253.63 mi (2,017.52 km) |
| Treia to Loimaa | 1,277.28 mi (2,055.58 km) |
| Treia to Loviisa | 1,301.17 mi (2,094.03 km) |
| Treia to Mantsala | 1,296.54 mi (2,086.58 km) |
| Treia to Mariehamn | 1,192.68 mi (1,919.43 km) |
| Treia to Masku | 1,247.28 mi (2,007.30 km) |
