| population | |
| Grinnell East Bound Rest Area | |
| Grinnell West Bound Rest Area | |
| Interchange 179 | |
| Jacob Krumm Nature Preserve | |
| Mormon Grave |
 | Newton Municipal Airport | ~ 17.70 km |
| Ames Municipal Airport | ~ 72.10 km |
| Des Moines International Airport | ~ 73.21 km |
| Ottumwa Regional Airport | ~ 76.35 km |
| Iowa Falls Municipal Airport | ~ 89.91 km |
| Boone Municipal Airport | ~ 91.78 km |
| The Eastern Iowa Airport | ~ 93.75 km |
| Waterloo Regional Airport | ~ 98.03 km |
| Fairfield Municipal Airport | ~ 103.29 km |
