| Boulogne-Billancourt to Montemor-o-Novo | 874.45 mi (1,407.30 km) |
| Boulogne-Billancourt to Montemor-o-Velho | 803.71 mi (1,293.45 km) |
| Boulogne-Billancourt to Montijo | 893.08 mi (1,437.27 km) |
| Boulogne-Billancourt to Mortagua | 774.58 mi (1,246.57 km) |
| Boulogne-Billancourt to Moura | 883.16 mi (1,421.30 km) |
| Boulogne-Billancourt to Murtosa | 771.65 mi (1,241.85 km) |
| Boulogne-Billancourt to Nazare | 847.10 mi (1,363.28 km) |
| Boulogne-Billancourt to Nelas | 757.71 mi (1,219.42 km) |
| Boulogne-Billancourt to Obidos | 863.36 mi (1,389.44 km) |
| Boulogne-Billancourt to Odemira | 948.86 mi (1,527.04 km) |
| Boulogne-Billancourt to Odivelas | 895.69 mi (1,441.48 km) |
| Boulogne-Billancourt to Oeiras | 906.00 mi (1,458.07 km) |
| Boulogne-Billancourt to Olhao | 960.34 mi (1,545.52 km) |
| Boulogne-Billancourt to Oliveira de Azemeis | 760.68 mi (1,224.20 km) |
| Boulogne-Billancourt to Oliveira de Frades | 757.60 mi (1,219.24 km) |
