| London Colney to Montalegre | 769.65 mi (1,238.64 km) |
| London Colney to Montemor-o-Novo | 980.88 mi (1,578.58 km) |
| London Colney to Montemor-o-Velho | 893.09 mi (1,437.30 km) |
| London Colney to Montijo | 992.04 mi (1,596.53 km) |
| London Colney to Mortagua | 866.75 mi (1,394.89 km) |
| London Colney to Moura | 1,000.99 mi (1,610.94 km) |
| London Colney to Murtosa | 856.32 mi (1,378.12 km) |
| London Colney to Nazare | 937.12 mi (1,508.15 km) |
| London Colney to Nelas | 853.64 mi (1,373.80 km) |
| London Colney to Obidos | 954.38 mi (1,535.93 km) |
| London Colney to Odemira | 1,057.88 mi (1,702.49 km) |
| London Colney to Odivelas | 990.92 mi (1,594.73 km) |
| London Colney to Oeiras | 1,000.60 mi (1,610.31 km) |
| London Colney to Olhao | 1,080.38 mi (1,738.71 km) |
| London Colney to Oliveira de Azemeis | 846.17 mi (1,361.78 km) |
