How far is Kirkwall from Houston, TX?

The distance between Houston (Houston George Bush Intercontinental Airport) and Kirkwall (Kirkwall Airport) is 4559 miles / 7336 kilometers / 3961 nautical miles.

Distance from Houston to Kirkwall

There are several ways to calculate the distance from Houston to Kirkwall. Here are two standard methods:

Vincenty's formula (applied above)

• 4558.662 miles
• 7336.455 kilometers
• 3961.369 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

• 4549.465 miles
• 7321.655 kilometers
• 3953.377 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 Houston to Kirkwall?

The estimated flight time from Houston George Bush Intercontinental Airport to Kirkwall Airport is 9 hours and 7 minutes.

What is the time difference between Houston and Kirkwall?

The time difference between Houston and Kirkwall is 6 hours. Kirkwall is 6 hours ahead of Houston.

Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Kirkwall Airport (KOI)

On average, flying from Houston to Kirkwall generates about 527 kg of CO2 per passenger, and 527 kilograms equals 1 162 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Houston to Kirkwall

See the map of the shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Kirkwall Airport (KOI).

Airport information

Origin	Houston George Bush Intercontinental Airport
City:	Houston, TX
Country:	United States
IATA Code:	IAH
ICAO Code:	KIAH
Coordinates:	29°59′3″N, 95°20′29″W

Destination	Kirkwall Airport
City:	Kirkwall
Country:	United Kingdom
IATA Code:	KOI
ICAO Code:	EGPA
Coordinates:	58°57′28″N, 2°54′17″W