| Richardson to Montalegre | 4,697.88 mi (7,560.50 km) |
| Richardson to Montemor-o-Novo | 4,772.66 mi (7,680.85 km) |
| Richardson to Montemor-o-Velho | 4,704.71 mi (7,571.50 km) |
| Richardson to Montijo | 4,738.51 mi (7,625.89 km) |
| Richardson to Mortagua | 4,718.22 mi (7,593.25 km) |
| Richardson to Moura | 4,825.72 mi (7,766.25 km) |
| Richardson to Murtosa | 4,690.38 mi (7,548.44 km) |
| Richardson to Nazare | 4,703.11 mi (7,568.93 km) |
| Richardson to Nelas | 4,733.91 mi (7,618.49 km) |
| Richardson to Obidos | 4,705.89 mi (7,573.39 km) |
| Richardson to Odemira | 4,784.88 mi (7,700.52 km) |
| Richardson to Odivelas | 4,721.72 mi (7,598.87 km) |
| Richardson to Oeiras | 4,718.25 mi (7,593.29 km) |
| Richardson to Olhao | 4,841.05 mi (7,790.92 km) |
| Richardson to Oliveira de Azemeis | 4,694.74 mi (7,555.45 km) |
