| Idrija to Lapua | 1,223.75 mi (1,969.43 km) |
| Idrija to Laukaa | 1,227.58 mi (1,975.59 km) |
| Idrija to Lauritsala | 1,188.07 mi (1,912.01 km) |
| Idrija to Lempaala | 1,127.66 mi (1,814.79 km) |
| Idrija to Leppavirta | 1,261.38 mi (2,029.99 km) |
| Idrija to Lieksa | 1,347.58 mi (2,168.72 km) |
| Idrija to Lieto | 1,058.44 mi (1,703.40 km) |
| Idrija to Liminka | 1,369.06 mi (2,203.28 km) |
| Idrija to Liperi | 1,291.81 mi (2,078.97 km) |
| Idrija to Lohja | 1,065.99 mi (1,715.55 km) |
| Idrija to Loimaa | 1,088.78 mi (1,752.21 km) |
| Idrija to Loviisa | 1,114.98 mi (1,794.39 km) |
| Idrija to Mantsala | 1,109.48 mi (1,785.54 km) |
| Idrija to Mariehamn | 1,003.48 mi (1,614.94 km) |
| Idrija to Masku | 1,058.49 mi (1,703.47 km) |
