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How far is San Antonio, TX, from Portland, ME?

The distance between Portland (Portland International Jetport) and San Antonio (San Antonio International Airport) is 1830 miles / 2945 kilometers / 1590 nautical miles.

The driving distance from Portland (PWM) to San Antonio (SAT) is 2128 miles / 3424 kilometers, and travel time by car is about 39 hours 23 minutes.

Portland International Jetport – San Antonio International Airport

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1830
Miles
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2945
Kilometers
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1590
Nautical miles

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Distance from Portland to San Antonio

There are several ways to calculate the distance from Portland to San Antonio. Here are two standard methods:

Vincenty's formula (applied above)
  • 1829.760 miles
  • 2944.712 kilometers
  • 1590.018 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
  • 1827.789 miles
  • 2941.541 kilometers
  • 1588.305 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 Portland to San Antonio?

The estimated flight time from Portland International Jetport to San Antonio International Airport is 3 hours and 57 minutes.

Flight carbon footprint between Portland International Jetport (PWM) and San Antonio International Airport (SAT)

On average, flying from Portland to San Antonio generates about 202 kg of CO2 per passenger, and 202 kilograms equals 446 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portland to San Antonio

See the map of the shortest flight path between Portland International Jetport (PWM) and San Antonio International Airport (SAT).

Airport information

Origin Portland International Jetport
City: Portland, ME
Country: United States Flag of United States
IATA Code: PWM
ICAO Code: KPWM
Coordinates: 43°38′46″N, 70°18′33″W
Destination San Antonio International Airport
City: San Antonio, TX
Country: United States Flag of United States
IATA Code: SAT
ICAO Code: KSAT
Coordinates: 29°32′1″N, 98°28′11″W