| Grenchen to Montalegre | 833.32 mi (1,341.09 km) |
| Grenchen to Montemor-o-Novo | 983.02 mi (1,582.02 km) |
| Grenchen to Montemor-o-Velho | 936.00 mi (1,506.34 km) |
| Grenchen to Montijo | 1,009.16 mi (1,624.08 km) |
| Grenchen to Mortagua | 905.98 mi (1,458.03 km) |
| Grenchen to Moura | 977.22 mi (1,572.68 km) |
| Grenchen to Murtosa | 911.07 mi (1,466.23 km) |
| Grenchen to Nazare | 975.86 mi (1,570.50 km) |
| Grenchen to Nelas | 886.33 mi (1,426.41 km) |
| Grenchen to Obidos | 990.02 mi (1,593.28 km) |
| Grenchen to Odemira | 1,049.92 mi (1,689.69 km) |
| Grenchen to Odivelas | 1,015.81 mi (1,634.79 km) |
| Grenchen to Oeiras | 1,026.22 mi (1,651.54 km) |
| Grenchen to Olhao | 1,046.96 mi (1,684.92 km) |
| Grenchen to Oliveira de Azemeis | 900.07 mi (1,448.52 km) |
