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RIV to AVR: distance & flight time
Riverside (March ARB Airport) → Alverca (Alverca Air Base)
5,631 mi
9,063 km · 4,893 nm
11h 30m
estimated nonstop flight time
+7h
time difference · heading northeast
See live RIV→AVR fares Phone-only fares on this route — call free
Flight time details
5,631 miles nonstop takes roughly 11h 30m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- RIV — March ARB Airport · Riverside, United States
- AVR — Alverca Air Base · Alverca, Portugal
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 AVR
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)9 mi away
- CAT · Cascais Airport21 mi away
- QLR · Monte Real Air Base66 mi away
- BYJ · Beja Airport / Airbase81 mi away
Frequently asked questions
How far is RIV from AVR?
The flight distance from Riverside (RIV) to Alverca (AVR) is 5,631 miles (9,063 km, 4,893 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RIV to AVR?
A nonstop flight takes about 11h 30m 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 AVR?
Nonstop service on RIV–AVR 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 11h 30m nonstop estimate.
What is the time difference between Riverside and Alverca?
Alverca is 7 hours ahead of Riverside.
What is the cheapest way to fly from RIV to AVR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RIV–AVR that never appear on search engines, with no booking fees.
Why are some RIV to AVR fares phone-only?
Consolidator contracts let us sell certain RIV–AVR 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.