| Portland to Lapua | 4,705.59 mi (7,572.91 km) |
| Portland to Laukaa | 4,778.54 mi (7,690.32 km) |
| Portland to Lauritsala | 4,893.08 mi (7,874.66 km) |
| Portland to Lempaala | 4,819.33 mi (7,755.95 km) |
| Portland to Leppavirta | 4,796.05 mi (7,718.49 km) |
| Portland to Lieksa | 4,767.84 mi (7,673.10 km) |
| Portland to Lieto | 4,852.22 mi (7,808.89 km) |
| Portland to Liminka | 4,620.36 mi (7,435.74 km) |
| Portland to Liperi | 4,811.68 mi (7,743.64 km) |
| Portland to Lohja | 4,890.92 mi (7,871.18 km) |
| Portland to Loimaa | 4,839.02 mi (7,787.64 km) |
| Portland to Loviisa | 4,906.95 mi (7,896.97 km) |
| Portland to Mantsala | 4,883.73 mi (7,859.60 km) |
| Portland to Mariehamn | 4,839.19 mi (7,787.93 km) |
| Portland to Masku | 4,842.71 mi (7,793.59 km) |
