| Seattle to Lapua | 4,563.02 mi (7,343.46 km) |
| Seattle to Laukaa | 4,635.51 mi (7,460.13 km) |
| Seattle to Lauritsala | 4,749.84 mi (7,644.13 km) |
| Seattle to Lempaala | 4,676.94 mi (7,526.80 km) |
| Seattle to Leppavirta | 4,652.69 mi (7,487.78 km) |
| Seattle to Lieksa | 4,624.04 mi (7,441.67 km) |
| Seattle to Lieto | 4,710.30 mi (7,580.50 km) |
| Seattle to Liminka | 4,477.03 mi (7,205.08 km) |
| Seattle to Liperi | 4,668.06 mi (7,512.51 km) |
| Seattle to Lohja | 4,748.68 mi (7,642.26 km) |
| Seattle to Loimaa | 4,696.88 mi (7,558.89 km) |
| Seattle to Loviisa | 4,764.19 mi (7,667.23 km) |
| Seattle to Mantsala | 4,741.13 mi (7,630.12 km) |
| Seattle to Mariehamn | 4,698.02 mi (7,560.73 km) |
| Seattle to Masku | 4,700.86 mi (7,565.31 km) |
