| population | |
| Bureau de Poste de Cauchy A La Tour |
| population | |
| Cauchy-a-la-Tour | 2920 |
 | Merville-Calonne Airport | ~ 18.54 km |
| Lille-Lesquin Airport | ~ 45.40 km |
| Le Touquet-Côte d'Opale Airport | ~ 58.77 km |
| Albert-Bray Airport | ~ 61.74 km |
| Calais-Dunkerque Airport | ~ 61.79 km |
 | Wevelgem Airport | ~ 63.51 km |
| Ostend-Bruges International Airport | ~ 82.89 km |
 | Lydd Airport | ~ 117.71 km |
| Paris Beauvais Tillé Airport | ~ 119.18 km |
