| Ruislip to Montalegre | 757.83 mi (1,219.60 km) |
| Ruislip to Montemor-o-Novo | 969.07 mi (1,559.57 km) |
| Ruislip to Montemor-o-Velho | 881.27 mi (1,418.26 km) |
| Ruislip to Montijo | 980.21 mi (1,577.49 km) |
| Ruislip to Mortagua | 854.92 mi (1,375.86 km) |
| Ruislip to Moura | 989.22 mi (1,592.00 km) |
| Ruislip to Murtosa | 844.50 mi (1,359.09 km) |
| Ruislip to Nazare | 925.30 mi (1,489.12 km) |
| Ruislip to Nelas | 841.81 mi (1,354.76 km) |
| Ruislip to Obidos | 942.55 mi (1,516.89 km) |
| Ruislip to Odemira | 1,046.07 mi (1,683.48 km) |
| Ruislip to Odivelas | 979.09 mi (1,575.70 km) |
| Ruislip to Oeiras | 988.77 mi (1,591.27 km) |
| Ruislip to Olhao | 1,068.62 mi (1,719.78 km) |
| Ruislip to Oliveira de Azemeis | 834.35 mi (1,342.75 km) |
