| Solothurn to Montalegre | 839.96 mi (1,351.79 km) |
| Solothurn to Montemor-o-Novo | 989.45 mi (1,592.37 km) |
| Solothurn to Montemor-o-Velho | 942.58 mi (1,516.93 km) |
| Solothurn to Montijo | 1,015.63 mi (1,634.50 km) |
| Solothurn to Mortagua | 912.56 mi (1,468.62 km) |
| Solothurn to Moura | 983.54 mi (1,582.86 km) |
| Solothurn to Murtosa | 917.68 mi (1,476.87 km) |
| Solothurn to Nazare | 982.42 mi (1,581.06 km) |
| Solothurn to Nelas | 892.90 mi (1,436.99 km) |
| Solothurn to Obidos | 996.56 mi (1,603.81 km) |
| Solothurn to Odemira | 1,056.28 mi (1,699.93 km) |
| Solothurn to Odivelas | 1,022.31 mi (1,645.25 km) |
| Solothurn to Oeiras | 1,032.72 mi (1,662.01 km) |
| Solothurn to Olhao | 1,053.20 mi (1,694.96 km) |
| Solothurn to Oliveira de Azemeis | 906.68 mi (1,459.17 km) |
