# How far is Rayong from Chiang Mai?

The distance between Chiang Mai (Chiang Mai International Airport) and Rayong (U-Tapao International Airport) is 440 miles / 708 kilometers / 382 nautical miles.

The driving distance from Chiang Mai (CNX) to Rayong (UTP) is 531 miles / 854 kilometers, and travel time by car is about 10 hours 43 minutes.

440
Miles
708
Kilometers
382
Nautical miles
1 h 19 min

## Distance from Chiang Mai to Rayong

There are several ways to calculate the distance from Chiang Mai to Rayong. Here are two standard methods:

Vincenty's formula (applied above)
• 440.053 miles
• 708.196 kilometers
• 382.395 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
• 441.933 miles
• 711.222 kilometers
• 384.029 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 Chiang Mai to Rayong?

The estimated flight time from Chiang Mai International Airport to U-Tapao International Airport is 1 hour and 19 minutes.

## Flight carbon footprint between Chiang Mai International Airport (CNX) and U-Tapao International Airport (UTP)

On average, flying from Chiang Mai to Rayong generates about 90 kg of CO2 per passenger, and 90 kilograms equals 198 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path and driving directions from Chiang Mai to Rayong

See the map of the shortest flight path between Chiang Mai International Airport (CNX) and U-Tapao International Airport (UTP).

## Airport information

Origin Chiang Mai International Airport
City: Chiang Mai
Country: Thailand
IATA Code: CNX
ICAO Code: VTCC
Coordinates: 18°46′0″N, 98°57′45″E
Destination U-Tapao International Airport
City: Rayong
Country: Thailand
IATA Code: UTP
ICAO Code: VTBU
Coordinates: 12°40′47″N, 101°0′17″E