| Castanet-Tolosan to Lapua | 1,594.72 mi (2,566.46 km) |
| Castanet-Tolosan to Laukaa | 1,634.56 mi (2,630.57 km) |
| Castanet-Tolosan to Lauritsala | 1,635.64 mi (2,632.31 km) |
| Castanet-Tolosan to Lempaala | 1,530.39 mi (2,462.93 km) |
| Castanet-Tolosan to Leppavirta | 1,682.74 mi (2,708.12 km) |
| Castanet-Tolosan to Lieksa | 1,773.11 mi (2,853.54 km) |
| Castanet-Tolosan to Lieto | 1,459.84 mi (2,349.39 km) |
| Castanet-Tolosan to Liminka | 1,737.41 mi (2,796.09 km) |
| Castanet-Tolosan to Liperi | 1,724.78 mi (2,775.76 km) |
| Castanet-Tolosan to Lohja | 1,489.01 mi (2,396.33 km) |
| Castanet-Tolosan to Loimaa | 1,491.44 mi (2,400.25 km) |
| Castanet-Tolosan to Loviisa | 1,555.51 mi (2,503.36 km) |
| Castanet-Tolosan to Mantsala | 1,538.65 mi (2,476.22 km) |
| Castanet-Tolosan to Mariehamn | 1,380.05 mi (2,220.98 km) |
| Castanet-Tolosan to Masku | 1,454.77 mi (2,341.22 km) |
