How far is Cascais from Houston, TX?

The distance between Houston (Houston George Bush Intercontinental Airport) and Cascais (Cascais Airport) is 4771 miles / 7678 kilometers / 4146 nautical miles.

Distance from Houston to Cascais

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

Vincenty's formula (applied above)

• 4770.695 miles
• 7677.690 kilometers
• 4145.621 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

• 4760.760 miles
• 7661.701 kilometers
• 4136.987 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 Cascais?

The estimated flight time from Houston George Bush Intercontinental Airport to Cascais Airport is 9 hours and 31 minutes.

What is the time difference between Houston and Cascais?

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

Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Cascais Airport (CAT)

On average, flying from Houston to Cascais generates about 554 kg of CO2 per passenger, and 554 kilograms equals 1 222 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Houston to Cascais

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

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	Cascais Airport
City:	Cascais
Country:	Portugal
IATA Code:	CAT
ICAO Code:	LPCS
Coordinates:	38°43′29″N, 9°21′18″W