Duncan, Iowa — Islands
Islands Near Duncan, Iowa
Nearest Islands by Distance
| # | Island | Distance |
|---|---|---|
| 1. | Woodford Island | 14.9 mi. |
| 2. | Katherine Island | 41.7 mi. |
Island Locations
| # | Island | Distance |
|---|---|---|
| 1. | Woodford Island | 14.9 mi. |
| 2. | Katherine Island | 41.7 mi. |