| Security-Widefield to Montalegre | 4,814.15 mi (7,747.62 km) |
| Security-Widefield to Montemor-o-Novo | 4,920.58 mi (7,918.90 km) |
| Security-Widefield to Montemor-o-Velho | 4,840.39 mi (7,789.86 km) |
| Security-Widefield to Montijo | 4,889.03 mi (7,868.13 km) |
| Security-Widefield to Mortagua | 4,849.51 mi (7,804.54 km) |
| Security-Widefield to Moura | 4,975.09 mi (8,006.64 km) |
| Security-Widefield to Murtosa | 4,820.48 mi (7,757.82 km) |
| Security-Widefield to Nazare | 4,845.74 mi (7,798.46 km) |
| Security-Widefield to Nelas | 4,862.82 mi (7,825.95 km) |
| Security-Widefield to Obidos | 4,851.17 mi (7,807.21 km) |
| Security-Widefield to Odemira | 4,944.45 mi (7,957.32 km) |
| Security-Widefield to Odivelas | 4,872.42 mi (7,841.41 km) |
| Security-Widefield to Oeiras | 4,870.54 mi (7,838.37 km) |
| Security-Widefield to Olhao | 5,002.25 mi (8,050.34 km) |
| Security-Widefield to Oliveira de Azemeis | 4,823.17 mi (7,762.15 km) |
