| Aire-sur-la-Lys to Montemor-o-Novo | 976.76 mi (1,571.94 km) |
| Aire-sur-la-Lys to Montemor-o-Velho | 899.26 mi (1,447.23 km) |
| Aire-sur-la-Lys to Montijo | 992.80 mi (1,597.75 km) |
| Aire-sur-la-Lys to Mortagua | 870.97 mi (1,401.69 km) |
| Aire-sur-la-Lys to Moura | 989.45 mi (1,592.37 km) |
| Aire-sur-la-Lys to Murtosa | 865.13 mi (1,392.30 km) |
| Aire-sur-la-Lys to Nazare | 943.21 mi (1,517.95 km) |
| Aire-sur-la-Lys to Nelas | 855.39 mi (1,376.61 km) |
| Aire-sur-la-Lys to Obidos | 959.95 mi (1,544.89 km) |
| Aire-sur-la-Lys to Odemira | 1,052.45 mi (1,693.76 km) |
| Aire-sur-la-Lys to Odivelas | 994.05 mi (1,599.78 km) |
| Aire-sur-la-Lys to Oeiras | 1,004.19 mi (1,616.08 km) |
| Aire-sur-la-Lys to Olhao | 1,067.72 mi (1,718.33 km) |
| Aire-sur-la-Lys to Oliveira de Azemeis | 854.39 mi (1,375.01 km) |
| Aire-sur-la-Lys to Oliveira de Frades | 853.08 mi (1,372.89 km) |
