Distance From Calvinia Airport to George Bush Intercontinental Houston Airport

The distance from Calvinia Airport () to George Bush Intercontinental Houston Airport (IAH) is 8639 miles or 13903 kilometers or 7502 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Calvinia ( South Africa ) to Houston ( United States )?

A one-way nonstop (direct) flight between Calvinia and Houston takes around 19 hours 51 minutes.

Estimated flight time from Calvinia Airport, Calvinia, South Africa to George Bush Intercontinental Houston Airport, Houston, United States is 19 hours 51 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - IAH

Kilometers		13903 km
Statute Miles		8639 miles
Nautical Miles		7502 nm
Avg. Time of Flight		19 hours 51 minutes

Calvinia Airport to George Bush Intercontinental Houston Airport Flight Route Map - to IAH Flight Path

Location of Calvinia Airport & George Bush Intercontinental Houston Airport is given below.
Click the map to view Calvinia to Houston nonstop flight path and travel direction.

Click to see flight route on Google Map between Calvinia, South Africa and Houston, United States. .

Nonstop flight route between Calvinia, South Africa and Houston, United States.

Time Difference Between the Airports • - IAH

Time difference between Calvinia (South Africa) and Houston (United States) is 7 Hours.
Houston time is 7 Hours behind Calvinia.

Location	Local Time
Calvinia (South Africa)	2026-05-26, 06:04:06 SAST
Houston (United States)	2026-05-25, 23:04:06 CDT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Calvinia Airport ( / FACV) Calvinia, South Africa

Destination

George Bush Intercontinental Houston Airport (IAH / KIAH) Houston, United States