| Great Missenden to Montalegre | 759.75 mi (1,222.69 km) |
| Great Missenden to Montemor-o-Novo | 972.03 mi (1,564.33 km) |
| Great Missenden to Montemor-o-Velho | 883.25 mi (1,421.45 km) |
| Great Missenden to Montijo | 982.64 mi (1,581.40 km) |
| Great Missenden to Mortagua | 857.15 mi (1,379.45 km) |
| Great Missenden to Moura | 992.93 mi (1,597.97 km) |
| Great Missenden to Murtosa | 846.26 mi (1,361.92 km) |
| Great Missenden to Nazare | 927.23 mi (1,492.23 km) |
| Great Missenden to Nelas | 844.32 mi (1,358.81 km) |
| Great Missenden to Obidos | 944.52 mi (1,520.05 km) |
| Great Missenden to Odemira | 1,049.08 mi (1,688.32 km) |
| Great Missenden to Odivelas | 981.27 mi (1,579.21 km) |
| Great Missenden to Oeiras | 990.89 mi (1,594.68 km) |
| Great Missenden to Olhao | 1,072.36 mi (1,725.80 km) |
| Great Missenden to Oliveira de Azemeis | 836.18 mi (1,345.70 km) |
