| Idanha-a-Nova to Lapua | 2,019.28 mi (3,249.72 km) |
| Idanha-a-Nova to Laukaa | 2,073.28 mi (3,336.62 km) |
| Idanha-a-Nova to Lauritsala | 2,091.34 mi (3,365.68 km) |
| Idanha-a-Nova to Lempaala | 1,971.53 mi (3,172.88 km) |
| Idanha-a-Nova to Leppavirta | 2,125.92 mi (3,421.33 km) |
| Idanha-a-Nova to Lieksa | 2,215.12 mi (3,564.89 km) |
| Idanha-a-Nova to Lieto | 1,903.56 mi (3,063.49 km) |
| Idanha-a-Nova to Liminka | 2,154.53 mi (3,467.38 km) |
| Idanha-a-Nova to Liperi | 2,171.56 mi (3,494.79 km) |
| Idanha-a-Nova to Lohja | 1,940.10 mi (3,122.29 km) |
| Idanha-a-Nova to Loimaa | 1,934.25 mi (3,112.88 km) |
| Idanha-a-Nova to Loviisa | 2,011.03 mi (3,236.44 km) |
| Idanha-a-Nova to Mantsala | 1,990.26 mi (3,203.01 km) |
| Idanha-a-Nova to Mariehamn | 1,817.78 mi (2,925.44 km) |
| Idanha-a-Nova to Masku | 1,896.65 mi (3,052.37 km) |
