How far is Roi Et from Rizhao?

The distance between Rizhao (Rizhao Shanzihe Airport) and Roi Et (Roi Et Airport) is 1639 miles / 2638 kilometers / 1424 nautical miles.

The driving distance from Rizhao (RIZ) to Roi Et (ROI) is 2091 miles / 3365 kilometers, and travel time by car is about 39 hours 38 minutes.

Distance from Rizhao to Roi Et

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

Vincenty's formula (applied above)

• 1639.070 miles
• 2637.827 kilometers
• 1424.313 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

• 1642.010 miles
• 2642.559 kilometers
• 1426.867 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 Rizhao to Roi Et?

The estimated flight time from Rizhao Shanzihe Airport to Roi Et Airport is 3 hours and 36 minutes.

What is the time difference between Rizhao and Roi Et?

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

Flight carbon footprint between Rizhao Shanzihe Airport (RIZ) and Roi Et Airport (ROI)

On average, flying from Rizhao to Roi Et generates about 188 kg of CO2 per passenger, and 188 kilograms equals 416 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Rizhao Shanzihe Airport (RIZ) and Roi Et Airport (ROI).

Airport information

Origin	Rizhao Shanzihe Airport
City:	Rizhao
Country:	China
IATA Code:	RIZ
ICAO Code:	ZSRZ
Coordinates:	35°24′18″N, 119°19′27″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