| population | |
| Onaka | 14 |
| Onaka Fire Department |
 | Mobridge Municipal Airport | ~ 83.52 km |
| Aberdeen Regional Airport | ~ 86.52 km |
| Ashley Municipal Airport | ~ 93.00 km |
| Pierre Regional Airport | ~ 110.78 km |
| Huron Regional Airport | ~ 132.55 km |
| Britton Municipal Airport | ~ 151.12 km |
| Watertown Regional Airport | ~ 184.15 km |
| Mitchell Municipal Airport | ~ 193.98 km |
| Bismarck Municipal Airport | ~ 201.75 km |
