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How far is Saint John from Houston, TX?

The distance between Houston (Houston George Bush Intercontinental Airport) and Saint John (Saint John Airport) is 1913 miles / 3079 kilometers / 1663 nautical miles.

The driving distance from Houston (IAH) to Saint John (YSJ) is 2229 miles / 3587 kilometers, and travel time by car is about 42 hours 44 minutes.

Houston George Bush Intercontinental Airport – Saint John Airport

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1913
Miles
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3079
Kilometers
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1663
Nautical miles

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Distance from Houston to Saint John

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

Vincenty's formula (applied above)
  • 1913.305 miles
  • 3079.166 kilometers
  • 1662.616 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
  • 1911.249 miles
  • 3075.858 kilometers
  • 1660.830 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 Saint John?

The estimated flight time from Houston George Bush Intercontinental Airport to Saint John Airport is 4 hours and 7 minutes.

Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Saint John Airport (YSJ)

On average, flying from Houston to Saint John generates about 210 kg of CO2 per passenger, and 210 kilograms equals 462 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Houston to Saint John

See the map of the shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Saint John Airport (YSJ).

Airport information

Origin Houston George Bush Intercontinental Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: IAH
ICAO Code: KIAH
Coordinates: 29°59′3″N, 95°20′29″W
Destination Saint John Airport
City: Saint John
Country: Canada Flag of Canada
IATA Code: YSJ
ICAO Code: CYSJ
Coordinates: 45°18′57″N, 65°53′25″W