| population | |
| Drohiczyn | 6377 |
| Dziadkowice | 2805 |
| Grodzisk | 4285 |
| population | |
| Mielnik | 2408 |
| Milejczyce | 1809 |
| Nurzec-Stacja | 3932 |
| population | |
| Perlejewo | 2866 |
| Siemiatycze | 6119 |
| Siemiatycze | 14590 |
 | Brest Airport | ~ 80.74 km |
 | Warsaw Chopin Airport | ~ 135.27 km |
| Lublin Airport | ~ 139.29 km |
| Hrodna Airport | ~ 146.36 km |
| Modlin Airport | ~ 151.42 km |
| Radom Airport | ~ 167.61 km |
| Olsztyn-Mazury Airport | ~ 170.93 km |
| Łódź Władysław Reymont Airport | ~ 253.00 km |
| Rzeszów-Jasionka Airport | ~ 271.25 km |
