| Schwechat to Montemor-o-Novo | 1,393.90 mi (2,243.26 km) |
| Schwechat to Montemor-o-Velho | 1,355.58 mi (2,181.60 km) |
| Schwechat to Montijo | 1,422.44 mi (2,289.20 km) |
| Schwechat to Mortagua | 1,325.70 mi (2,133.51 km) |
| Schwechat to Moura | 1,382.11 mi (2,224.29 km) |
| Schwechat to Murtosa | 1,332.79 mi (2,144.92 km) |
| Schwechat to Nazare | 1,393.91 mi (2,243.29 km) |
| Schwechat to Nelas | 1,305.56 mi (2,101.09 km) |
| Schwechat to Obidos | 1,407.23 mi (2,264.72 km) |
| Schwechat to Odemira | 1,456.39 mi (2,343.84 km) |
| Schwechat to Odivelas | 1,430.45 mi (2,302.09 km) |
| Schwechat to Oeiras | 1,440.75 mi (2,318.67 km) |
| Schwechat to Olhao | 1,446.68 mi (2,328.21 km) |
| Schwechat to Oliveira de Azemeis | 1,321.90 mi (2,127.39 km) |
| Schwechat to Oliveira de Frades | 1,313.21 mi (2,113.41 km) |
