How far is Roi Et from Weifang?

The distance between Weifang (Weifang Nanyuan Airport) and Roi Et (Roi Et Airport) is 1699 miles / 2734 kilometers / 1476 nautical miles.

The driving distance from Weifang (WEF) to Roi Et (ROI) is 2178 miles / 3505 kilometers, and travel time by car is about 41 hours 11 minutes.

Distance from Weifang to Roi Et

There are several ways to calculate the distance from Weifang to Roi Et. Here are two standard methods:

Vincenty's formula (applied above)

• 1698.590 miles
• 2733.616 kilometers
• 1476.034 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 1701.845 miles
• 2738.854 kilometers
• 1478.863 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Weifang to Roi Et?

The estimated flight time from Weifang Nanyuan Airport to Roi Et Airport is 3 hours and 42 minutes.

What is the time difference between Weifang and Roi Et?

The time difference between Weifang and Roi Et is 1 hour. Roi Et is 1 hour behind Weifang.

Flight carbon footprint between Weifang Nanyuan Airport (WEF) and Roi Et Airport (ROI)

On average, flying from Weifang to Roi Et generates about 193 kg of CO2 per passenger, and 193 kilograms equals 425 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Weifang to Roi Et

See the map of the shortest flight path between Weifang Nanyuan Airport (WEF) and Roi Et Airport (ROI).

Airport information

Origin	Weifang Nanyuan Airport
City:	Weifang
Country:	China
IATA Code:	WEF
ICAO Code:	ZSWF
Coordinates:	36°38′48″N, 119°7′8″E

Destination	Roi Et Airport
City:	Roi Et
Country:	Thailand
IATA Code:	ROI
ICAO Code:	VTUV
Coordinates:	16°7′0″N, 103°46′26″E