| Richton Park to Montalegre | 3,964.17 mi (6,379.72 km) |
| Richton Park to Montemor-o-Novo | 4,053.09 mi (6,522.82 km) |
| Richton Park to Montemor-o-Velho | 3,979.26 mi (6,403.99 km) |
| Richton Park to Montijo | 4,020.09 mi (6,469.71 km) |
| Richton Park to Mortagua | 3,990.87 mi (6,422.68 km) |
| Richton Park to Moura | 4,107.02 mi (6,609.60 km) |
| Richton Park to Murtosa | 3,962.42 mi (6,376.90 km) |
| Richton Park to Nazare | 3,980.83 mi (6,406.52 km) |
| Richton Park to Nelas | 4,005.56 mi (6,446.33 km) |
| Richton Park to Obidos | 3,984.86 mi (6,413.01 km) |
| Richton Park to Odemira | 4,071.12 mi (6,551.83 km) |
| Richton Park to Odivelas | 4,003.34 mi (6,442.76 km) |
| Richton Park to Oeiras | 4,000.64 mi (6,438.40 km) |
| Richton Park to Olhao | 4,128.29 mi (6,643.84 km) |
| Richton Park to Oliveira de Azemeis | 3,966.07 mi (6,382.77 km) |
