| Middle River to Lapua | 4,113.00 mi (6,619.23 km) |
| Middle River to Laukaa | 4,213.07 mi (6,780.29 km) |
| Middle River to Lauritsala | 4,326.01 mi (6,962.04 km) |
| Middle River to Lempaala | 4,188.44 mi (6,740.64 km) |
| Middle River to Leppavirta | 4,260.78 mi (6,857.06 km) |
| Middle River to Lieksa | 4,289.68 mi (6,903.57 km) |
| Middle River to Lieto | 4,177.40 mi (6,722.88 km) |
| Middle River to Liminka | 4,117.56 mi (6,626.58 km) |
| Middle River to Liperi | 4,302.31 mi (6,923.90 km) |
| Middle River to Lohja | 4,234.03 mi (6,814.02 km) |
| Middle River to Loimaa | 4,183.85 mi (6,733.26 km) |
| Middle River to Loviisa | 4,290.42 mi (6,904.76 km) |
| Middle River to Mantsala | 4,257.51 mi (6,851.79 km) |
| Middle River to Mariehamn | 4,114.03 mi (6,620.89 km) |
| Middle River to Masku | 4,164.62 mi (6,702.31 km) |
