Airports 3,901 to 3,950
Adventist Health Ukiah Valley Heliport
Boonville Airport
Lofty Redwoods Airport
Michael AAF (Dugway Proving Ground) Airport
Dugway Proving Ground, Utah, United States — 783 km (423 nm) NNE
Gravelly Valley Airport
Potter Valley, California, United States — 785 km (424 nm) NW