| Southend to Montalegre | 782.42 mi (1,259.18 km) |
| Southend to Montemor-o-Novo | 990.22 mi (1,593.61 km) |
| Southend to Montemor-o-Velho | 905.45 mi (1,457.18 km) |
| Southend to Montijo | 1,002.94 mi (1,614.07 km) |
| Southend to Mortagua | 878.43 mi (1,413.69 km) |
| Southend to Moura | 1,008.02 mi (1,622.26 km) |
| Southend to Murtosa | 869.40 mi (1,399.17 km) |
| Southend to Nazare | 949.56 mi (1,528.17 km) |
| Southend to Nelas | 864.50 mi (1,391.28 km) |
| Southend to Obidos | 966.70 mi (1,555.75 km) |
| Southend to Odemira | 1,066.97 mi (1,717.12 km) |
| Southend to Odivelas | 1,002.56 mi (1,613.47 km) |
| Southend to Oeiras | 1,012.40 mi (1,629.30 km) |
| Southend to Olhao | 1,087.21 mi (1,749.70 km) |
| Southend to Oliveira de Azemeis | 859.04 mi (1,382.49 km) |
