| Thornton Heath to Montalegre | 754.58 mi (1,214.37 km) |
| Thornton Heath to Montemor-o-Novo | 964.43 mi (1,552.11 km) |
| Thornton Heath to Montemor-o-Velho | 877.88 mi (1,412.81 km) |
| Thornton Heath to Montijo | 976.23 mi (1,571.09 km) |
| Thornton Heath to Mortagua | 851.23 mi (1,369.93 km) |
| Thornton Heath to Moura | 983.65 mi (1,583.03 km) |
| Thornton Heath to Murtosa | 841.42 mi (1,354.13 km) |
| Thornton Heath to Nazare | 921.96 mi (1,483.75 km) |
| Thornton Heath to Nelas | 837.78 mi (1,348.27 km) |
| Thornton Heath to Obidos | 939.17 mi (1,511.45 km) |
| Thornton Heath to Odemira | 1,041.34 mi (1,675.88 km) |
| Thornton Heath to Odivelas | 975.43 mi (1,569.80 km) |
| Thornton Heath to Oeiras | 985.17 mi (1,585.48 km) |
| Thornton Heath to Olhao | 1,062.98 mi (1,710.70 km) |
| Thornton Heath to Oliveira de Azemeis | 831.17 mi (1,337.63 km) |
