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RIV to PNH: distance & flight time
Riverside (March ARB Airport) → Phnom-penh (Phnom Penh International Airport)
8,254 mi
13,284 km · 7,173 nm
16h 39m
estimated nonstop flight time
+14h
time difference · heading northwest
See live RIV→PNH fares Phone-only fares on this route — call free
Flight time details
8,254 miles nonstop takes roughly 16h 39m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- RIV — March ARB Airport · Riverside, United States
- PNH — Phnom Penh International Airport · Phnom-penh, Cambodia
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near RIV
- RAL · Riverside Municipal Airport12 mi away
- SBD · San Bernardino International Airport15 mi away
- RBK · French Valley Airport22 mi away
- ONT · Ontario International Airport23 mi away
Near PNH
- KZC · Kampong Chhnang Airport52 mi away
- KTI · Kratie Airport105 mi away
- KOS · Sihanoukville International Airport106 mi away
- PQC · Phu Quoc International Airport111 mi away
Frequently asked questions
How far is RIV from PNH?
The flight distance from Riverside (RIV) to Phnom-penh (PNH) is 8,254 miles (13,284 km, 7,173 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RIV to PNH?
A nonstop flight takes about 16h 39m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from RIV to PNH?
Nonstop service on RIV–PNH depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 16h 39m nonstop estimate.
What is the time difference between Riverside and Phnom-penh?
Phnom-penh is 14 hours ahead of Riverside.
What is the cheapest way to fly from RIV to PNH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RIV–PNH that never appear on search engines, with no booking fees.
Why are some RIV to PNH fares phone-only?
Consolidator contracts let us sell certain RIV–PNH tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.