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ORD to DEF: distance & flight time

Chicago (Chicago O'Hare International Airport) → Dezful (Dezful Airport)

6,595 mi
10,613 km · 5,731 nm
13h 24m
estimated nonstop flight time
+8.5h
time difference · heading northeast
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Flight time details

6,595 miles nonstop takes roughly 13h 24m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8.5-hour time gain when reading arrival times on your ticket.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is ORD from DEF?

The flight distance from Chicago (ORD) to Dezful (DEF) is 6,595 miles (10,613 km, 5,731 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from ORD to DEF?

A nonstop flight takes about 13h 24m 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 Chicago and Dezful?

Dezful is 8.5 hours ahead of Chicago.

What is the cheapest way to fly from ORD to DEF?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ORD–DEF that never appear on search engines, with no booking fees.
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