How far is Seattle, WA, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Seattle (Seattle–Tacoma International Airport) is 1659 miles / 2669 kilometers / 1441 nautical miles.
The driving distance from Rockford (RFD) to Seattle (SEA) is 1984 miles / 3193 kilometers, and travel time by car is about 35 hours 11 minutes.
Chicago Rockford International Airport – Seattle–Tacoma International Airport
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Distance from Rockford to Seattle
There are several ways to calculate the distance from Rockford to Seattle. Here are two standard methods:
Vincenty's formula (applied above)- 1658.530 miles
- 2669.145 kilometers
- 1441.223 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- 1654.192 miles
- 2662.163 kilometers
- 1437.453 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 Rockford to Seattle?
The estimated flight time from Chicago Rockford International Airport to Seattle–Tacoma International Airport is 3 hours and 38 minutes.
What is the time difference between Rockford and Seattle?
The time difference between Rockford and Seattle is 2 hours. Seattle is 2 hours behind Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Seattle–Tacoma International Airport (SEA)
On average, flying from Rockford to Seattle generates about 190 kg of CO2 per passenger, and 190 kilograms equals 418 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rockford to Seattle
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Seattle–Tacoma International Airport (SEA).
Airport information
| Origin | Chicago Rockford International Airport |
|---|---|
| City: | Rockford, IL |
| Country: | United States  |
| IATA Code: | RFD |
| ICAO Code: | KRFD |
| Coordinates: | 42°11′43″N, 89°5′49″W |
| Destination | Seattle–Tacoma International Airport |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | SEA |
| ICAO Code: | KSEA |
| Coordinates: | 47°26′56″N, 122°18′32″W |