| Harsum to Lapua | 883.28 mi (1,421.50 km) |
| Harsum to Laukaa | 918.89 mi (1,478.81 km) |
| Harsum to Lauritsala | 920.97 mi (1,482.15 km) |
| Harsum to Lempaala | 814.59 mi (1,310.95 km) |
| Harsum to Leppavirta | 966.64 mi (1,555.66 km) |
| Harsum to Lieksa | 1,057.01 mi (1,701.10 km) |
| Harsum to Lieto | 743.87 mi (1,197.14 km) |
| Harsum to Liminka | 1,028.02 mi (1,654.44 km) |
| Harsum to Liperi | 1,008.73 mi (1,623.40 km) |
| Harsum to Lohja | 773.16 mi (1,244.28 km) |
| Harsum to Loimaa | 775.51 mi (1,248.07 km) |
| Harsum to Loviisa | 840.64 mi (1,352.88 km) |
| Harsum to Mantsala | 822.93 mi (1,324.38 km) |
| Harsum to Mariehamn | 665.43 mi (1,070.90 km) |
| Harsum to Masku | 739.01 mi (1,189.32 km) |
