Air Miles Calculator logo

Distance between Harrisburg, PA (MDT) and Seattle, WA (SEA)

Flight distance from Harrisburg to Seattle (Harrisburg International Airport – Seattle–Tacoma International Airport) is 2297 miles / 3696 kilometers / 1996 nautical miles. Estimated flight time is 4 hours 50 minutes.

Driving distance from Harrisburg (MDT) to Seattle (SEA) is 2771 miles / 4460 kilometers and travel time by car is about 48 hours 39 minutes.

Harrisburg – Seattle

Distance arrow
2297
Miles
Distance arrow
3696
Kilometers
Distance arrow
1996
Nautical miles

How far is Seattle from Harrisburg?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 2296.605 miles
  • 3696.027 kilometers
  • 1995.695 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 2290.749 miles
  • 3686.603 kilometers
  • 1990.607 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).

Flight Duration

Estimated flight time from Harrisburg International Airport to Seattle–Tacoma International Airport is 4 hours 50 minutes.

Time difference

The time difference between Harrisburg and Seattle is 3 hours. Seattle is 3 hours behind Harrisburg.
Harrisburg time to Seattle time converter

Carbon dioxide emissions

On average flying from Harrisburg to Seattle generates about 252 kg of CO2 per passenger, 252 kilograms is equal to 555 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Harrisburg to Seattle

Shortest flight path between Harrisburg International Airport (MDT) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Harrisburg International Airport
City: Harrisburg, PA
Country: United States Flag of United States
IATA Code: MDT
ICAO Code: KMDT
Coordinates: 40°11′36″N, 76°45′48″W
Destination Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W