How far is Udon Thani from Ranong?

The distance between Ranong (Ranong Airport) and Udon Thani (Udon Thani International Airport) is 594 miles / 957 kilometers / 517 nautical miles.

The driving distance from Ranong (UNN) to Udon Thani (UTH) is 720 miles / 1158 kilometers, and travel time by car is about 13 hours 52 minutes.

Distance from Ranong to Udon Thani

There are several ways to calculate the distance from Ranong to Udon Thani. Here are two standard methods:

Vincenty's formula (applied above)

• 594.425 miles
• 956.635 kilometers
• 516.541 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

• 596.574 miles
• 960.093 kilometers
• 518.409 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 Ranong to Udon Thani?

The estimated flight time from Ranong Airport to Udon Thani International Airport is 1 hour and 37 minutes.

What is the time difference between Ranong and Udon Thani?

There is no time difference between Ranong and Udon Thani.

Flight carbon footprint between Ranong Airport (UNN) and Udon Thani International Airport (UTH)

On average, flying from Ranong to Udon Thani generates about 112 kg of CO2 per passenger, and 112 kilograms equals 247 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ranong to Udon Thani

See the map of the shortest flight path between Ranong Airport (UNN) and Udon Thani International Airport (UTH).

Airport information

Origin	Ranong Airport
City:	Ranong
Country:	Thailand
IATA Code:	UNN
ICAO Code:	VTSR
Coordinates:	9°46′39″N, 98°35′7″E

Destination	Udon Thani International Airport
City:	Udon Thani
Country:	Thailand
IATA Code:	UTH
ICAO Code:	VTUD
Coordinates:	17°23′11″N, 102°47′16″E