| Princeton to Montalegre | 4,197.94 mi (6,755.93 km) |
| Princeton to Montemor-o-Novo | 4,214.23 mi (6,782.14 km) |
| Princeton to Montemor-o-Velho | 4,171.02 mi (6,712.61 km) |
| Princeton to Montijo | 4,177.57 mi (6,723.15 km) |
| Princeton to Mortagua | 4,191.26 mi (6,745.18 km) |
| Princeton to Moura | 4,261.88 mi (6,858.83 km) |
| Princeton to Murtosa | 4,167.09 mi (6,706.29 km) |
| Princeton to Nazare | 4,157.64 mi (6,691.07 km) |
| Princeton to Nelas | 4,210.11 mi (6,775.52 km) |
| Princeton to Obidos | 4,155.71 mi (6,687.98 km) |
| Princeton to Odemira | 4,206.07 mi (6,769.01 km) |
| Princeton to Odivelas | 4,161.42 mi (6,697.15 km) |
| Princeton to Oeiras | 4,155.46 mi (6,687.57 km) |
| Princeton to Olhao | 4,256.43 mi (6,850.07 km) |
| Princeton to Oliveira de Azemeis | 4,174.05 mi (6,717.49 km) |
