| Middle Island to Lapua | 3,925.19 mi (6,316.98 km) |
| Middle Island to Laukaa | 4,025.57 mi (6,478.53 km) |
| Middle Island to Lauritsala | 4,137.31 mi (6,658.36 km) |
| Middle Island to Lempaala | 3,998.05 mi (6,434.24 km) |
| Middle Island to Leppavirta | 4,074.27 mi (6,556.91 km) |
| Middle Island to Lieksa | 4,105.75 mi (6,607.56 km) |
| Middle Island to Lieto | 3,985.10 mi (6,413.40 km) |
| Middle Island to Liminka | 3,934.26 mi (6,331.58 km) |
| Middle Island to Liperi | 4,116.66 mi (6,625.13 km) |
| Middle Island to Lohja | 4,042.03 mi (6,505.01 km) |
| Middle Island to Loimaa | 3,992.38 mi (6,425.12 km) |
| Middle Island to Loviisa | 4,099.74 mi (6,597.90 km) |
| Middle Island to Mantsala | 4,066.68 mi (6,544.70 km) |
| Middle Island to Mariehamn | 3,920.05 mi (6,308.72 km) |
| Middle Island to Masku | 3,972.29 mi (6,392.78 km) |
