| Harrow to Lapua | 1,162.65 mi (1,871.11 km) |
| Harrow to Laukaa | 1,226.30 mi (1,973.54 km) |
| Harrow to Lauritsala | 1,261.80 mi (2,030.68 km) |
| Harrow to Lempaala | 1,128.87 mi (1,816.74 km) |
| Harrow to Leppavirta | 1,281.98 mi (2,063.14 km) |
| Harrow to Lieksa | 1,368.60 mi (2,202.55 km) |
| Harrow to Lieto | 1,065.23 mi (1,714.32 km) |
| Harrow to Liminka | 1,292.29 mi (2,079.74 km) |
| Harrow to Liperi | 1,330.26 mi (2,140.85 km) |
| Harrow to Lohja | 1,109.05 mi (1,784.84 km) |
| Harrow to Loimaa | 1,094.15 mi (1,760.87 km) |
| Harrow to Loviisa | 1,183.44 mi (1,904.56 km) |
| Harrow to Mantsala | 1,158.38 mi (1,864.23 km) |
| Harrow to Mariehamn | 975.82 mi (1,570.44 km) |
| Harrow to Masku | 1,056.61 mi (1,700.44 km) |
