RIV
March Air Reserve Base

March Air Reserve Base (IATA: RIV, ICAO: KRIV) is a medium airport in Riverside, California, United States. It opened in 1917. It has 2 runways; the longest is 13,302 ft (4,054 m). It is operated by United States Air Force. In 2024 it handled 3 thousand passengers.
Timeline
4 events · 1917–19961917
OpenedMarch Air Reserve Base opens.
26 FEB 1918
RenamedRenamed Alessandro Field.
20 MAR 1918
RenamedRenamed March Field.
01 APR 1996
RenamedRenamed March Air Reserve Base.
From WikidataEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap · FAA diagram PDF14/32149° / 329° · LIT
LENGTH13,302 ft4,054 mWIDTH200 ft61 mSURFACEConcrete
12/30135° / 315°
LENGTH3,061 ft933 mWIDTH100 ft31 mSURFACEAsphalt
Passengers per year
2018–202411K
12K
6K
5K
7K
6K
3K
18192021222324
Routes
5 destinations · 1 countryYear-round5
BOIBoise Air Terminal/Gowen FieldUnited States · Amazon Air1,080 km671 miCLTCharlotte Douglas International AirportUnited States · Amazon Air3,311 km2,057 miBWIBaltimore/Washington International Thurgood Marshall AirportUnited States · Amazon Air3,644 km2,264 miABELehigh Valley International AirportUnited States · Amazon Air3,740 km2,324 miHNLDaniel K. Inouye International AirportUnited States · Amazon Air4,212 km2,617 miStraight lines are great circles; rings mark true distance from RIV. From the Wikipedia article “March Air Reserve Base” (revision of 16 Sep 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
9 channelsA/DAPP/DEP119.250
ATISATIS134.750
GCCDGND/CLNC DEL121.750
OPSANG OPS29.370
PMSVPMSV METRO23.980
POSTCOMD POST31.100
PTDPTD37.220
RDORIVERSIDE RDO113.400
TWRTWR127.650