| Borehamwood to Montalegre | 766.18 mi (1,233.05 km) |
| Borehamwood to Montemor-o-Novo | 977.17 mi (1,572.61 km) |
| Borehamwood to Montemor-o-Velho | 889.61 mi (1,431.68 km) |
| Borehamwood to Montijo | 988.44 mi (1,590.75 km) |
| Borehamwood to Mortagua | 863.20 mi (1,389.19 km) |
| Borehamwood to Moura | 997.12 mi (1,604.71 km) |
| Borehamwood to Murtosa | 852.89 mi (1,372.59 km) |
| Borehamwood to Nazare | 933.64 mi (1,502.55 km) |
| Borehamwood to Nelas | 850.03 mi (1,367.99 km) |
| Borehamwood to Obidos | 950.89 mi (1,530.32 km) |
| Borehamwood to Odemira | 1,054.16 mi (1,696.50 km) |
| Borehamwood to Odivelas | 987.39 mi (1,589.04 km) |
| Borehamwood to Oeiras | 997.07 mi (1,604.63 km) |
| Borehamwood to Olhao | 1,076.51 mi (1,732.47 km) |
| Borehamwood to Oliveira de Azemeis | 842.72 mi (1,356.23 km) |
