| population | |
| Bureau de Poste de Hergnies |
| population | |
| Hergnies | 3930 |
 | Lille-Lesquin Airport | ~ 32.31 km |
 | Wevelgem Airport | ~ 44.19 km |
| Merville-Calonne Airport | ~ 64.19 km |
| Brussels South Charleroi Airport | ~ 65.98 km |
| Albert-Bray Airport | ~ 81.03 km |
| Brussels Airport | ~ 82.77 km |
| Ostend-Bruges International Airport | ~ 92.58 km |
| Antwerp International Airport (Deurne) | ~ 103.26 km |
 | Woensdrecht Air Base | ~ 122.65 km |
