| population | |
| Custoias | 19406 |
| Custoias Do Douro |
 | Vila Real Airport | ~ 38.66 km |
| Aerodromo Goncalves Lobato (Viseu Airport) | ~ 64.27 km |
| Aerodromo de Chaves | ~ 69.46 km |
| Bragança Airport | ~ 97.59 km |
| Braga Municipal Aerodrome | ~ 108.36 km |
| Francisco de Sá Carneiro Airport | ~ 115.41 km |
| Aerodromo Municipal de Coimbra | ~ 143.68 km |
 | Salamanca Airport | ~ 153.06 km |
| Vigo Airport | ~ 165.82 km |
