Need help booking?
Unpublished phone-only deals available
TVF to AVR: distance & flight time
Thief River Falls (Thief River Falls Regional Airport) → Alverca (Alverca Air Base)
4,178 mi
6,725 km · 3,631 nm
8h 40m
estimated nonstop flight time
+6h
time difference · heading northeast
See live TVF→AVR fares Phone-only fares on this route — call free
Flight time details
4,178 miles nonstop takes roughly 8h 40m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- TVF — Thief River Falls Regional Airport · Thief River Falls, 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 TVF
- GFK · Grand Forks International Airport47 mi away
- RDR · Grand Forks Air Force Base57 mi away
- BJI · Bemidji Regional Airport70 mi away
- PMB · Pembina Municipal Airport77 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 TVF from AVR?
The flight distance from Thief River Falls (TVF) to Alverca (AVR) is 4,178 miles (6,725 km, 3,631 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TVF to AVR?
A nonstop flight takes about 8h 40m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Thief River Falls and Alverca?
Alverca is 6 hours ahead of Thief River Falls.
What is the cheapest way to fly from TVF to AVR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TVF–AVR that never appear on search engines, with no booking fees.