| Croydon to Montalegre | 752.93 mi (1,211.73 km) |
| Croydon to Montemor-o-Novo | 962.72 mi (1,549.34 km) |
| Croydon to Montemor-o-Velho | 876.23 mi (1,410.15 km) |
| Croydon to Montijo | 974.54 mi (1,568.38 km) |
| Croydon to Mortagua | 849.57 mi (1,367.24 km) |
| Croydon to Moura | 981.89 mi (1,580.20 km) |
| Croydon to Murtosa | 839.78 mi (1,351.49 km) |
| Croydon to Nazare | 920.31 mi (1,481.09 km) |
| Croydon to Nelas | 836.09 mi (1,345.56 km) |
| Croydon to Obidos | 937.51 mi (1,508.78 km) |
| Croydon to Odemira | 1,039.62 mi (1,673.11 km) |
| Croydon to Odivelas | 973.76 mi (1,567.11 km) |
| Croydon to Oeiras | 983.51 mi (1,582.80 km) |
| Croydon to Olhao | 1,061.22 mi (1,707.87 km) |
| Croydon to Oliveira de Azemeis | 829.52 mi (1,334.99 km) |
