| Mainz to Montemor-o-Novo | 1,125.42 mi (1,811.19 km) |
| Mainz to Montemor-o-Velho | 1,065.26 mi (1,714.37 km) |
| Mainz to Montijo | 1,147.91 mi (1,847.38 km) |
| Mainz to Mortagua | 1,035.48 mi (1,666.44 km) |
| Mainz to Moura | 1,126.59 mi (1,813.07 km) |
| Mainz to Murtosa | 1,035.97 mi (1,667.23 km) |
| Mainz to Nazare | 1,107.46 mi (1,782.29 km) |
| Mainz to Nelas | 1,017.20 mi (1,637.02 km) |
| Mainz to Obidos | 1,122.90 mi (1,807.14 km) |
| Mainz to Odemira | 1,196.58 mi (1,925.70 km) |
| Mainz to Odivelas | 1,152.47 mi (1,854.73 km) |
| Mainz to Oeiras | 1,162.91 mi (1,871.52 km) |
| Mainz to Olhao | 1,200.32 mi (1,931.73 km) |
| Mainz to Oliveira de Azemeis | 1,024.89 mi (1,649.40 km) |
| Mainz to Oliveira de Frades | 1,019.83 mi (1,641.26 km) |
