| Grenchen to Lagoa | 1,064.79 mi (1,713.61 km) |
| Grenchen to Lagoa | 1,786.65 mi (2,875.33 km) |
| Grenchen to Lagos | 1,074.89 mi (1,729.86 km) |
| Grenchen to Lamego | 861.26 mi (1,386.07 km) |
| Grenchen to Leiria | 958.31 mi (1,542.24 km) |
| Grenchen to Lisbon | 1,017.49 mi (1,637.50 km) |
| Grenchen to Loule | 1,046.75 mi (1,684.58 km) |
| Grenchen to Loures | 1,013.36 mi (1,630.84 km) |
| Grenchen to Lourinha | 1,001.34 mi (1,611.50 km) |
| Grenchen to Lousa | 919.81 mi (1,480.29 km) |
| Grenchen to Lousada | 872.23 mi (1,403.71 km) |
| Grenchen to Macedo de Cavaleiros | 807.80 mi (1,300.03 km) |
| Grenchen to Mafamude | 895.03 mi (1,440.42 km) |
| Grenchen to Mafra | 1,015.41 mi (1,634.15 km) |
| Grenchen to Maia | 891.15 mi (1,434.16 km) |
