| population | |
| Bureau de Poste de Houdain |
| population | |
| Houdain | 7622 |
 | Merville-Calonne Airport | ~ 19.90 km |
| Lille-Lesquin Airport | ~ 40.74 km |
| Albert-Bray Airport | ~ 54.65 km |
 | Wevelgem Airport | ~ 62.12 km |
| Le Touquet-Côte d'Opale Airport | ~ 65.30 km |
| Calais-Dunkerque Airport | ~ 70.01 km |
| Ostend-Bruges International Airport | ~ 86.43 km |
| Paris Beauvais Tillé Airport | ~ 115.04 km |
| St Aubin Airport | ~ 121.31 km |
