| Mountlake Terrace to Lapua | 4,551.46 mi (7,324.87 km) |
| Mountlake Terrace to Laukaa | 4,623.91 mi (7,441.46 km) |
| Mountlake Terrace to Lauritsala | 4,738.22 mi (7,625.43 km) |
| Mountlake Terrace to Lempaala | 4,665.40 mi (7,508.24 km) |
| Mountlake Terrace to Leppavirta | 4,641.05 mi (7,469.05 km) |
| Mountlake Terrace to Lieksa | 4,612.36 mi (7,422.87 km) |
| Mountlake Terrace to Lieto | 4,698.82 mi (7,562.02 km) |
| Mountlake Terrace to Liminka | 4,465.40 mi (7,186.36 km) |
| Mountlake Terrace to Liperi | 4,656.39 mi (7,493.74 km) |
| Mountlake Terrace to Lohja | 4,737.16 mi (7,623.73 km) |
| Mountlake Terrace to Loimaa | 4,685.37 mi (7,540.37 km) |
| Mountlake Terrace to Loviisa | 4,752.62 mi (7,648.61 km) |
| Mountlake Terrace to Mantsala | 4,729.58 mi (7,611.52 km) |
| Mountlake Terrace to Mariehamn | 4,686.60 mi (7,542.36 km) |
| Mountlake Terrace to Masku | 4,689.39 mi (7,546.84 km) |
