Duncan Island
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Second Biggest.
Nearby cities:
Coordinates: 40°24'58"N 77°0'31"W
- Kent Island 163 km
- Wye Island 182 km
- Long Beach Island 241 km
- Middle Hooper's Island 246 km
- Bloodsworth Island 259 km
- South Marsh Island 267 km
- Smith Island, MD/VA 277 km
- Hog Island 347 km
- Cobb Island 356 km
- Smith Island, Virginia 372 km
- Penn Township 4 km
- Wheatfield Township 6.8 km
- Miller Township 8 km
- Rye Township 10 km
- Centre Township 16 km
- Carroll Township 16 km
- Dauphin County, Pennsylvania 19 km
- Juniata Township 19 km
- Perry County, Pennsylvania 24 km
- Cumberland County, Pennsylvania 37 km