| population | |
| Hardwick | 195 |
| Hardwick (historical) |
| population | |
| Zion Lutheran Church |
 | Slayton Municipal Airport | ~ 40.68 km |
| Sioux Falls Regional Airport / Joe Foss Field | ~ 48.61 km |
| Canton Municipal Airport | ~ 60.00 km |
| Madison Municipal Airport | ~ 76.11 km |
| Brookings Regional Airport | ~ 76.97 km |
| Southwest Minnesota Regional Airport - Marshall/Ryan Field | ~ 80.82 km |
| Spirit Lake Municipal Airport | ~ 95.47 km |
| Spencer Municipal Airport | ~ 105.02 km |
| Le Mars Municipal Airport | ~ 110.89 km |
