| Berkhampstead to Montalegre | 766.18 mi (1,233.05 km) |
| Berkhampstead to Montemor-o-Novo | 978.20 mi (1,574.25 km) |
| Berkhampstead to Montemor-o-Velho | 889.68 mi (1,431.79 km) |
| Berkhampstead to Montijo | 988.95 mi (1,591.56 km) |
| Berkhampstead to Mortagua | 863.51 mi (1,389.68 km) |
| Berkhampstead to Moura | 998.88 mi (1,607.54 km) |
| Berkhampstead to Murtosa | 852.74 mi (1,372.35 km) |
| Berkhampstead to Nazare | 933.67 mi (1,502.59 km) |
| Berkhampstead to Nelas | 850.61 mi (1,368.92 km) |
| Berkhampstead to Obidos | 950.95 mi (1,530.41 km) |
| Berkhampstead to Odemira | 1,055.23 mi (1,698.23 km) |
| Berkhampstead to Odivelas | 987.65 mi (1,589.47 km) |
| Berkhampstead to Oeiras | 997.28 mi (1,604.97 km) |
| Berkhampstead to Olhao | 1,078.30 mi (1,735.35 km) |
| Berkhampstead to Oliveira de Azemeis | 842.64 mi (1,356.10 km) |
