| Montesson to Montemor-o-Novo | 875.66 mi (1,409.24 km) |
| Montesson to Montemor-o-Velho | 804.28 mi (1,294.37 km) |
| Montesson to Montijo | 894.05 mi (1,438.83 km) |
| Montesson to Mortagua | 775.22 mi (1,247.59 km) |
| Montesson to Moura | 884.76 mi (1,423.88 km) |
| Montesson to Murtosa | 772.03 mi (1,242.46 km) |
| Montesson to Nazare | 847.74 mi (1,364.30 km) |
| Montesson to Nelas | 758.45 mi (1,220.61 km) |
| Montesson to Obidos | 864.04 mi (1,390.53 km) |
| Montesson to Odemira | 950.21 mi (1,529.21 km) |
| Montesson to Odivelas | 896.54 mi (1,442.84 km) |
| Montesson to Oeiras | 906.84 mi (1,459.41 km) |
| Montesson to Olhao | 962.07 mi (1,548.30 km) |
| Montesson to Oliveira de Azemeis | 761.08 mi (1,224.84 km) |
| Montesson to Oliveira de Frades | 758.15 mi (1,220.12 km) |
