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

The distance between Redmond (Roberts Field) and Seattle (Seattle Boeing Field) is 233 miles / 375 kilometers / 202 nautical miles.

The driving distance from Redmond (RDM) to Seattle (BFI) is 307 miles / 494 kilometers, and travel time by car is about 6 hours 40 minutes.

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)

• 232.963 miles
• 374.918 kilometers
• 202.440 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

• 233.017 miles
• 375.004 kilometers
• 202.486 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 Boeing Field is 56 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 Boeing Field (BFI)

On average, flying from Redmond to Seattle generates about 59 kg of CO2 per passenger, and 59 kilograms equals 131 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

See the map of the shortest flight path between Roberts Field (RDM) and Seattle Boeing Field (BFI).

Airport information

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

Destination	Seattle Boeing Field
City:	Seattle, WA
Country:	United States
IATA Code:	BFI
ICAO Code:	KBFI
Coordinates:	47°31′47″N, 122°18′7″W