| Sinop to Lapua | 1,528.51 mi (2,459.90 km) |
| Sinop to Laukaa | 1,458.27 mi (2,346.86 km) |
| Sinop to Lauritsala | 1,346.96 mi (2,167.72 km) |
| Sinop to Lempaala | 1,414.70 mi (2,276.75 km) |
| Sinop to Leppavirta | 1,445.69 mi (2,326.62 km) |
| Sinop to Lieksa | 1,485.52 mi (2,390.72 km) |
| Sinop to Lieto | 1,383.86 mi (2,227.11 km) |
| Sinop to Liminka | 1,619.96 mi (2,607.08 km) |
| Sinop to Liperi | 1,436.34 mi (2,311.57 km) |
| Sinop to Lohja | 1,343.43 mi (2,162.05 km) |
| Sinop to Loimaa | 1,395.73 mi (2,246.21 km) |
| Sinop to Loviisa | 1,327.82 mi (2,136.92 km) |
| Sinop to Mantsala | 1,350.42 mi (2,173.29 km) |
| Sinop to Mariehamn | 1,405.02 mi (2,261.16 km) |
| Sinop to Masku | 1,393.87 mi (2,243.22 km) |
