Need help booking?
Unpublished phone-only deals available
STS to DEF: distance & flight time
Santa Rosa (Charles M. Schulz Sonoma County Airport) → Dezful (Dezful Airport)
7,503 mi
12,074 km · 6,520 nm
15h 11m
estimated nonstop flight time
+10.5h
time difference · heading north
See live STS→DEF fares Phone-only fares on this route — call free
Flight time details
7,503 miles nonstop takes roughly 15h 11m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.5-hour time gain when reading arrival times on your ticket.
The two airports
- STS — Charles M. Schulz Sonoma County Airport · Santa Rosa, United States
- DEF — Dezful Airport · Dezful, Iran
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 STS
- SFO · San Francisco International Airport66 mi away
- NOT · Marin County Airport - Gnoss Field29 mi away
- APC · Napa County Airport35 mi away
- UKI · Ukiah Municipal Airport47 mi away
Near DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
Frequently asked questions
How far is STS from DEF?
The flight distance from Santa Rosa (STS) to Dezful (DEF) is 7,503 miles (12,074 km, 6,520 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STS to DEF?
A nonstop flight takes about 15h 11m 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 Santa Rosa and Dezful?
Dezful is 10.5 hours ahead of Santa Rosa.
What is the cheapest way to fly from STS to DEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STS–DEF that never appear on search engines, with no booking fees.