| Morsang-sur-Orge to Montemor-o-Novo | 868.50 mi (1,397.72 km) |
| Morsang-sur-Orge to Montemor-o-Velho | 798.91 mi (1,285.73 km) |
| Morsang-sur-Orge to Montijo | 887.55 mi (1,428.37 km) |
| Morsang-sur-Orge to Mortagua | 769.68 mi (1,238.67 km) |
| Morsang-sur-Orge to Moura | 876.50 mi (1,410.60 km) |
| Morsang-sur-Orge to Murtosa | 767.20 mi (1,234.69 km) |
| Morsang-sur-Orge to Nazare | 842.19 mi (1,355.37 km) |
| Morsang-sur-Orge to Nelas | 752.61 mi (1,211.22 km) |
| Morsang-sur-Orge to Obidos | 858.35 mi (1,381.38 km) |
| Morsang-sur-Orge to Odemira | 942.65 mi (1,517.04 km) |
| Morsang-sur-Orge to Odivelas | 890.38 mi (1,432.93 km) |
| Morsang-sur-Orge to Oeiras | 900.71 mi (1,449.55 km) |
| Morsang-sur-Orge to Olhao | 953.45 mi (1,534.43 km) |
| Morsang-sur-Orge to Oliveira de Azemeis | 756.21 mi (1,217.00 km) |
| Morsang-sur-Orge to Oliveira de Frades | 752.86 mi (1,211.61 km) |
