From my location in western
Riverside County, California
VHF Low - F2 -> Japan, Australia, Brazil and northeast USA. sporadic E -> Mississippi Highway patrol
VHF Air (ground station) - Brown Field ATIS (~75 mi) and LAX ATIS (~85 mi)
VHF - Santa Barbara County FD (~170 mi), Ridgecrest PD (~150 mi), Las Vegas PD Rural (~160 mi)
UHF - Santa Barbara County Sheriff (~170 mi)
From El Cajon, CA I was able to pick up LAFD on 800 Mhz. Probably 100 miles or so.