| Schwyz to Montalegre | 884.94 mi (1,424.18 km) |
| Schwyz to Montemor-o-Novo | 1,028.32 mi (1,654.92 km) |
| Schwyz to Montemor-o-Velho | 985.04 mi (1,585.28 km) |
| Schwyz to Montijo | 1,055.45 mi (1,698.58 km) |
| Schwyz to Mortagua | 955.08 mi (1,537.05 km) |
| Schwyz to Moura | 1,020.28 mi (1,641.99 km) |
| Schwyz to Murtosa | 961.23 mi (1,546.96 km) |
| Schwyz to Nazare | 1,024.20 mi (1,648.29 km) |
| Schwyz to Nelas | 935.16 mi (1,505.00 km) |
| Schwyz to Obidos | 1,037.98 mi (1,670.46 km) |
| Schwyz to Odemira | 1,093.66 mi (1,760.08 km) |
| Schwyz to Odivelas | 1,062.67 mi (1,710.20 km) |
| Schwyz to Oeiras | 1,073.04 mi (1,726.90 km) |
| Schwyz to Olhao | 1,088.36 mi (1,751.55 km) |
| Schwyz to Oliveira de Azemeis | 950.29 mi (1,529.34 km) |
