| Oakton to Montalegre | 3,562.49 mi (5,733.28 km) |
| Oakton to Montemor-o-Novo | 3,625.65 mi (5,834.92 km) |
| Oakton to Montemor-o-Velho | 3,561.92 mi (5,732.36 km) |
| Oakton to Montijo | 3,590.91 mi (5,779.01 km) |
| Oakton to Mortagua | 3,576.89 mi (5,756.45 km) |
| Oakton to Moura | 3,678.07 mi (5,919.28 km) |
| Oakton to Murtosa | 3,549.65 mi (5,712.61 km) |
| Oakton to Nazare | 3,558.04 mi (5,726.12 km) |
| Oakton to Nelas | 3,593.34 mi (5,782.92 km) |
| Oakton to Obidos | 3,559.98 mi (5,729.23 km) |
| Oakton to Odemira | 3,634.72 mi (5,849.52 km) |
| Oakton to Odivelas | 3,574.14 mi (5,752.02 km) |
| Oakton to Oeiras | 3,570.25 mi (5,745.76 km) |
| Oakton to Olhao | 3,690.30 mi (5,938.97 km) |
| Oakton to Oliveira de Azemeis | 3,554.59 mi (5,720.56 km) |
