| Athens to Montemor-o-Novo | 1,723.54 mi (2,773.77 km) |
| Athens to Montemor-o-Velho | 1,735.37 mi (2,792.80 km) |
| Athens to Montijo | 1,759.63 mi (2,831.85 km) |
| Athens to Mortagua | 1,710.09 mi (2,752.13 km) |
| Athens to Moura | 1,688.11 mi (2,716.75 km) |
| Athens to Murtosa | 1,729.37 mi (2,783.16 km) |
| Athens to Nazare | 1,759.83 mi (2,832.18 km) |
| Athens to Nelas | 1,689.55 mi (2,719.07 km) |
| Athens to Obidos | 1,766.75 mi (2,843.30 km) |
| Athens to Odemira | 1,758.37 mi (2,829.82 km) |
| Athens to Odivelas | 1,773.41 mi (2,854.03 km) |
| Athens to Oeiras | 1,781.84 mi (2,867.59 km) |
| Athens to Olhao | 1,723.31 mi (2,773.40 km) |
| Athens to Oliveira de Azemeis | 1,720.58 mi (2,769.00 km) |
| Athens to Oliveira de Frades | 1,705.96 mi (2,745.48 km) |
