| Richfield to Montalegre | 4,090.45 mi (6,582.94 km) |
| Richfield to Montemor-o-Novo | 4,198.99 mi (6,757.63 km) |
| Richfield to Montemor-o-Velho | 4,117.78 mi (6,626.93 km) |
| Richfield to Montijo | 4,167.77 mi (6,707.38 km) |
| Richfield to Mortagua | 4,126.57 mi (6,641.07 km) |
| Richfield to Moura | 4,253.59 mi (6,845.49 km) |
| Richfield to Murtosa | 4,097.49 mi (6,594.27 km) |
| Richfield to Nazare | 4,123.73 mi (6,636.50 km) |
| Richfield to Nelas | 4,139.70 mi (6,662.21 km) |
| Richfield to Obidos | 4,129.42 mi (6,645.65 km) |
| Richfield to Odemira | 4,224.20 mi (6,798.20 km) |
| Richfield to Odivelas | 4,151.22 mi (6,680.74 km) |
| Richfield to Oeiras | 4,149.51 mi (6,677.99 km) |
| Richfield to Olhao | 4,282.12 mi (6,891.40 km) |
| Richfield to Oliveira de Azemeis | 4,100.07 mi (6,598.42 km) |
