Airports 451 to 500
Salmon River Airfield
Groton New London Airport
Global Development Facility Heliport
Hartford Brainard Airport
South Glastonbury Heliport
South Glastonbury, Connecticut, United States — 122 km (66 nm) SW
Long Pond Seaplane Base
Katama Airpark
Block Island State Airport
Block Island, Rhode Island, United States — 125 km (67 nm) S
Alstead Airfield / Whitcomb Landing Strip
Nayaug Seaplane Landing Area Seaplane Base
South Glastonbury, Connecticut, United States — 126 km (68 nm) SW
Veterans Home & Hospital Heliport
Elizabeth Field
Fishers Island, New York, United States — 127 km (68 nm) SSW