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ISN to SYM: distance & flight time
Williston (Sloulin Field International Airport) → Simao (Pu'er Simao Airport)
7,302 mi
11,751 km · 6,345 nm
14h 47m
estimated nonstop flight time
+13h
time difference · heading northwest
See live ISN→SYM fares Phone-only fares on this route — call free
Flight time details
7,302 miles nonstop takes roughly 14h 47m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- SYM — Pu'er Simao Airport · Simao, China
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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Near SYM
- JHG · Xishuangbanna Gasa Airport58 mi away
- JMJ · Lancang Jingmai Airport79 mi away
- LNJ · Lintsang Airfield88 mi away
- PCQ · Boun Neau Airport99 mi away
Frequently asked questions
How far is ISN from SYM?
The flight distance from Williston (ISN) to Simao (SYM) is 7,302 miles (11,751 km, 6,345 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to SYM?
A nonstop flight takes about 14h 47m 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 Williston and Simao?
Simao is 13 hours ahead of Williston.
What is the cheapest way to fly from ISN to SYM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–SYM that never appear on search engines, with no booking fees.