Distance From Sumter Airport to Wenzhou Longwan International Airport, SUM - WNZ Distance

The distance from Sumter Airport (SUM) to Wenzhou Longwan International Airport (WNZ) is 7940 miles or 12778 kilometers or 6895 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Sumter ( United States ) to Wenzhou ( China )?

A one-way nonstop (direct) flight between Sumter and Wenzhou takes around 18 hours 15 minutes.

Estimated flight time from Sumter Airport, Sumter, United States to Wenzhou Longwan International Airport, Wenzhou, China is 18 hours 15 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • SUM - WNZ

Kilometers		12778 km
Statute Miles		7940 miles
Nautical Miles		6895 nm
Avg. Time of Flight		18 hours 15 minutes

Sumter Airport to Wenzhou Longwan International Airport Flight Route Map - SUM to WNZ Flight Path

Location of Sumter Airport & Wenzhou Longwan International Airport is given below.
Click the map to view Sumter to Wenzhou nonstop flight path and travel direction.

Click to see flight route on Google Map between Sumter, United States and Wenzhou, China. .

Nonstop flight route between Sumter, United States and Wenzhou, China.

Time Difference Between the Airports • SUM - WNZ

Time difference between Sumter (United States) and Wenzhou (China) is 12 Hours.
Wenzhou time is 12 Hours ahead of Sumter.

Location	Local Time
Sumter (United States)	2026-03-18, 01:57:04 EDT
Wenzhou (China)	2026-03-18, 13:57:04 CST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Sumter Airport (SUM / KSMS) Sumter, United States

Destination

Wenzhou Longwan International Airport (WNZ / ZSWZ) Wenzhou, China