| население | |
| Erwin | 43 |
| население | |
| Erwin Public Library |
 | Watertown Regional Airport | ~ 52.49 км |
| Brookings Regional Airport | ~ 53.60 км |
| Madison Municipal Airport | ~ 59.62 км |
| Huron Regional Airport | ~ 63.57 км |
| Mitchell Municipal Airport | ~ 92.55 км |
| Sioux Falls Regional Airport / Joe Foss Field | ~ 114.89 км |
| Southwest Minnesota Regional Airport - Marshall/Ryan Field | ~ 128.53 км |
| Aberdeen Regional Airport | ~ 131.82 км |
| Slayton Municipal Airport | ~ 143.38 км |
