| population | |
| Illyria | |
| Illyria Community Church | |
| Illyria Post Office (historical) | |
| Illyria-Highland Cemetery | |
| Leo Post Office (historical) |
 | Decorah Municipal Airport | ~ 46.36 km |
| Prairie Du Chien Municipal Airport | ~ 47.54 km |
| Waukon Municipal Airport | ~ 49.22 km |
| Waterloo Regional Airport | ~ 68.86 km |
| Northeast Iowa Regional Airport | ~ 80.30 km |
| Dubuque Regional Airport | ~ 93.54 km |
| The Eastern Iowa Airport | ~ 108.73 km |
| La Crosse Regional Airport | ~ 117.85 km |
| Tri-County Regional Airport | ~ 126.78 km |
