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CNX to SUS: distance & flight time
Chiang Mai (Chiang Mai International Airport) → Null (Spirit of St Louis Airport)
8,420 mi
13,551 km · 7,317 nm
16h 59m
estimated nonstop flight time
-12h
time difference · heading north
See live CNX→SUS fares Phone-only fares on this route — call free
Flight time details
8,420 miles nonstop takes roughly 16h 59m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- CNX — Chiang Mai International Airport · Chiang Mai, Thailand
- SUS — Spirit of St Louis Airport · Null, United States
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 CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 mi away
Near SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
Frequently asked questions
How far is CNX from SUS?
The flight distance from Chiang Mai (CNX) to Null (SUS) is 8,420 miles (13,551 km, 7,317 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CNX to SUS?
A nonstop flight takes about 16h 59m 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 Chiang Mai and Null?
Null is 12 hours behind Chiang Mai.
What is the cheapest way to fly from CNX to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CNX–SUS that never appear on search engines, with no booking fees.