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How far is San Diego, CA, from Portland, ME?

The distance between Portland (Portland International Jetport) and San Diego (San Diego International Airport) is 2623 miles / 4221 kilometers / 2279 nautical miles.

The driving distance from Portland (PWM) to San Diego (SAN) is 3121 miles / 5022 kilometers, and travel time by car is about 56 hours 27 minutes.

Portland International Jetport – San Diego International Airport

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2623
Miles
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4221
Kilometers
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2279
Nautical miles

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Distance from Portland to San Diego

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

Vincenty's formula (applied above)
  • 2622.778 miles
  • 4220.952 kilometers
  • 2279.132 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
  • 2617.408 miles
  • 4212.310 kilometers
  • 2274.466 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 Diego?

The estimated flight time from Portland International Jetport to San Diego International Airport is 5 hours and 27 minutes.

Flight carbon footprint between Portland International Jetport (PWM) and San Diego International Airport (SAN)

On average, flying from Portland to San Diego generates about 290 kg of CO2 per passenger, and 290 kilograms equals 638 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 Diego

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

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 Diego International Airport
City: San Diego, CA
Country: United States Flag of United States
IATA Code: SAN
ICAO Code: KSAN
Coordinates: 32°44′0″N, 117°11′24″W