| Castricum to Lapua | 980.73 mi (1,578.34 km) |
| Castricum to Laukaa | 1,035.17 mi (1,665.95 km) |
| Castricum to Lauritsala | 1,059.85 mi (1,705.67 km) |
| Castricum to Lempaala | 934.32 mi (1,503.64 km) |
| Castricum to Leppavirta | 1,088.65 mi (1,752.02 km) |
| Castricum to Lieksa | 1,177.32 mi (1,894.71 km) |
| Castricum to Lieto | 867.56 mi (1,396.21 km) |
| Castricum to Liminka | 1,117.63 mi (1,798.66 km) |
| Castricum to Liperi | 1,135.23 mi (1,826.97 km) |
| Castricum to Lohja | 907.29 mi (1,460.15 km) |
| Castricum to Loimaa | 897.74 mi (1,444.77 km) |
| Castricum to Loviisa | 980.24 mi (1,577.55 km) |
| Castricum to Mantsala | 957.26 mi (1,540.56 km) |
| Castricum to Mariehamn | 780.36 mi (1,255.87 km) |
| Castricum to Masku | 860.04 mi (1,384.10 km) |
