| Portlethen to Montalegre | 1,082.21 mi (1,741.65 km) |
| Portlethen to Montemor-o-Novo | 1,301.75 mi (2,094.96 km) |
| Portlethen to Montemor-o-Velho | 1,203.72 mi (1,937.19 km) |
| Portlethen to Montijo | 1,306.43 mi (2,102.49 km) |
| Portlethen to Mortagua | 1,180.88 mi (1,900.45 km) |
| Portlethen to Moura | 1,330.08 mi (2,140.55 km) |
| Portlethen to Murtosa | 1,164.89 mi (1,874.70 km) |
| Portlethen to Nazare | 1,246.26 mi (2,005.67 km) |
| Portlethen to Nelas | 1,171.37 mi (1,885.14 km) |
| Portlethen to Obidos | 1,263.63 mi (2,033.61 km) |
| Portlethen to Odemira | 1,378.32 mi (2,218.19 km) |
| Portlethen to Odivelas | 1,302.23 mi (2,095.74 km) |
| Portlethen to Oeiras | 1,311.00 mi (2,109.85 km) |
| Portlethen to Olhao | 1,408.97 mi (2,267.52 km) |
| Portlethen to Oliveira de Azemeis | 1,155.94 mi (1,860.30 km) |
