| Duzce to Lapua | 1,565.01 mi (2,518.63 km) |
| Duzce to Laukaa | 1,506.18 mi (2,423.97 km) |
| Duzce to Lauritsala | 1,403.05 mi (2,257.98 km) |
| Duzce to Lempaala | 1,448.60 mi (2,331.30 km) |
| Duzce to Leppavirta | 1,502.34 mi (2,417.79 km) |
| Duzce to Lieksa | 1,553.57 mi (2,500.23 km) |
| Duzce to Lieto | 1,407.93 mi (2,265.84 km) |
| Duzce to Liminka | 1,671.61 mi (2,690.19 km) |
| Duzce to Liperi | 1,500.54 mi (2,414.88 km) |
| Duzce to Lohja | 1,374.79 mi (2,212.51 km) |
| Duzce to Loimaa | 1,424.37 mi (2,292.29 km) |
| Duzce to Loviisa | 1,371.52 mi (2,207.25 km) |
| Duzce to Mantsala | 1,389.80 mi (2,236.67 km) |
| Duzce to Mariehamn | 1,414.66 mi (2,276.68 km) |
| Duzce to Masku | 1,416.51 mi (2,279.66 km) |
