Air Miles Calculator logo

How far is Seattle, WA, from Redmond, OR?

The distance between Redmond (Roberts Field) and Seattle (Seattle–Tacoma International Airport) is 228 miles / 366 kilometers / 198 nautical miles. The estimated flight time is 55 minutes.

Driving distance from Redmond (RDM) to Seattle (SEA) is 301 miles / 485 kilometers and travel time by car is about 6 hours 35 minutes.

Roberts Field – Seattle–Tacoma International Airport

Distance arrow
228
Miles
Distance arrow
366
Kilometers
Distance arrow
198
Nautical miles

Distance from Redmond to Seattle

There are several ways to calculate the distance from Redmond to Seattle. Here are two standard methods:

Vincenty's formula (applied above)
  • 227.626 miles
  • 366.328 kilometers
  • 197.801 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
  • 227.677 miles
  • 366.410 kilometers
  • 197.846 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 Redmond to Seattle?

The estimated flight time from Roberts Field to Seattle–Tacoma International Airport is 55 minutes.

What is the time difference between Redmond and Seattle?

There is no time difference between Redmond and Seattle.

Flight carbon footprint between Roberts Field (RDM) and Seattle–Tacoma International Airport (SEA)

On average, flying from Redmond to Seattle generates about 59 kg of CO2 per passenger, and 59 kilograms equals 129 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Redmond to Seattle

Shortest flight path between Roberts Field (RDM) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Roberts Field
City: Redmond, OR
Country: United States Flag of United States
IATA Code: RDM
ICAO Code: KRDM
Coordinates: 44°15′14″N, 121°9′0″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

Airlines flying from Redmond (RDM) to Seattle (SEA)

Alaska Airlines