Airports 4,451 to 4,500
Exceptional Community Hospital Heliport
Rapid City,
South Dakota,
United States
—
841 km
(454 nm)
NE
Los Angeles County Sheriff Lancaster Station Heliport
Palmdale Regional Airport / USAF Plant 42 Airport
Johnson Creek Airport
San Antonio Regional Hospital Heliport
Soldier Meadow Number 1 Airport
Rapid City Regional Airport
Rapid City,
South Dakota,
United States
—
843 km
(455 nm)
NE
Ontario International Airport
Palomar Observatory Road Helipad
Palomar Mountain,
California,
United States
—
844 km
(455 nm)
SW
Palomar Observatory Parking Lot Helipad
Palomar Mountain,
California,
United States
—
844 km
(455 nm)
SW