Knox Ridge Airport is an Small airport serving the city of Winifred in Montana, United States. The Winifred time zone is CST - Central Standard Time (UTC-6). The United States dollar(USD) is the official currency of the United States.
| Municipality | Winifred |
| Region | Montana |
| Country | United States |
| Elevation | 2950ft / 899m |
| Type | Small airport |
| Native name | Bandar Udara Internasional Soekarno–Hatta |
| Timezone | CST - Central Standard Time (UTC-6) |
| Coordinates | 47°36'60"N/-108°50'53"W |
| Currency | United States dollar(USD) |
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| Airport | Distance |
|---|---|
| Sand Creek Wildlife Station Airport | 11.03 KM |
| Woodhawk Airport | 25.02 KM |
| Bullwhacker Airport | 31.81 KM |
| Ervin Ridge Airport | 32.17 KM |
| Left Coulee Airport | 32.61 KM |
| Black Butte North Airport | 35.89 KM |
| Black Butte West Airport | 36.52 KM |
| Cow Creek Airport, Winifred | 38.69 KM |
| Winifred Airport | 40.92 KM |
| Zortman Airport | 43.1 KM |
| Lucier Ranch Airport | 59.83 KM |
| Matovich Airport | 61.34 KM |
| Smithfield Airport, Lewistown | 68.63 KM |
| Lewistown Municipal Airport | 78.46 KM |
| Winnett Airport | 79.71 KM |
| N Bar Ranch Airport | 86.83 KM |
| Denton Airport | 88.57 KM |
| 16 Ranch Airport | 90.77 KM |
| Owen Bros Airport | 93.24 KM |
| Maddox Ranch Co Airport | 101.01 KM |