| Schwabisch Gmund to Montemor-o-Novo | 1,135.76 mi (1,827.84 km) |
| Schwabisch Gmund to Montemor-o-Velho | 1,084.58 mi (1,745.46 km) |
| Schwabisch Gmund to Montijo | 1,160.92 mi (1,868.32 km) |
| Schwabisch Gmund to Mortagua | 1,054.56 mi (1,697.15 km) |
| Schwabisch Gmund to Moura | 1,131.70 mi (1,821.29 km) |
| Schwabisch Gmund to Murtosa | 1,058.04 mi (1,702.75 km) |
| Schwabisch Gmund to Nazare | 1,125.33 mi (1,811.04 km) |
| Schwabisch Gmund to Nelas | 1,035.33 mi (1,666.20 km) |
| Schwabisch Gmund to Obidos | 1,139.94 mi (1,834.55 km) |
| Schwabisch Gmund to Odemira | 1,203.86 mi (1,937.43 km) |
| Schwabisch Gmund to Odivelas | 1,166.96 mi (1,878.04 km) |
| Schwabisch Gmund to Oeiras | 1,177.40 mi (1,894.84 km) |
| Schwabisch Gmund to Olhao | 1,202.35 mi (1,935.00 km) |
| Schwabisch Gmund to Oliveira de Azemeis | 1,046.98 mi (1,684.95 km) |
| Schwabisch Gmund to Oliveira de Frades | 1,040.24 mi (1,674.10 km) |
