| Idil to Lapua | 1,941.22 mi (3,124.09 km) |
| Idil to Laukaa | 1,860.45 mi (2,994.11 km) |
| Idil to Lauritsala | 1,743.11 mi (2,805.27 km) |
| Idil to Lempaala | 1,832.66 mi (2,949.38 km) |
| Idil to Leppavirta | 1,838.19 mi (2,958.28 km) |
| Idil to Lieksa | 1,862.64 mi (2,997.63 km) |
| Idil to Lieto | 1,811.77 mi (2,915.76 km) |
| Idil to Liminka | 2,013.83 mi (3,240.95 km) |
| Idil to Liperi | 1,819.91 mi (2,928.87 km) |
| Idil to Lohja | 1,765.59 mi (2,841.44 km) |
| Idil to Loimaa | 1,819.19 mi (2,927.70 km) |
| Idil to Loviisa | 1,738.14 mi (2,797.26 km) |
| Idil to Mantsala | 1,764.54 mi (2,839.76 km) |
| Idil to Mariehamn | 1,844.68 mi (2,968.73 km) |
| Idil to Masku | 1,822.83 mi (2,933.57 km) |
