Airports 501 to 550
Laurence G Hanscom Field
Logan International Airport
Seboomook Forestry District Headquarters Heliport
Cape Air Seaplanes on Boston Harbor Seaplane Base
Massachusetts General Hospital Heliport
Fort Devens Moore Army Air Field
Morrisville-Stowe State Airport
Boston Medical Center Hospital Heliport
Jaffrey Airfield Silver Ranch Airport
Beth Israel Deaconess Medical Center Heliport
Millinocket Regional Hospital Heliport
Brigham & Women's Hospital Heliport
Millinocket Municipal Airport
Waltham Weston Hospital & Medical Center Heliport
Hartness State Airport
North Springfield, Vermont, United States — 210 km (113 nm) WSW