| Castalla to Lapua | 1,951.20 mi (3,140.15 km) |
| Castalla to Laukaa | 1,988.66 mi (3,200.45 km) |
| Castalla to Lauritsala | 1,985.23 mi (3,194.92 km) |
| Castalla to Lempaala | 1,884.30 mi (3,032.49 km) |
| Castalla to Leppavirta | 2,035.73 mi (3,276.19 km) |
| Castalla to Lieksa | 2,126.10 mi (3,421.64 km) |
| Castalla to Lieto | 1,813.42 mi (2,918.42 km) |
| Castalla to Liminka | 2,094.45 mi (3,370.69 km) |
| Castalla to Liperi | 2,076.72 mi (3,342.16 km) |
| Castalla to Lohja | 1,840.61 mi (2,962.18 km) |
| Castalla to Loimaa | 1,845.12 mi (2,969.43 km) |
| Castalla to Loviisa | 1,905.49 mi (3,066.59 km) |
| Castalla to Mantsala | 1,889.91 mi (3,041.52 km) |
| Castalla to Mariehamn | 1,735.11 mi (2,792.39 km) |
| Castalla to Masku | 1,808.77 mi (2,910.93 km) |
