# Distance between Seattle, WA (BFI) and Rockford, IL (RFD)

Flight distance from Seattle to Rockford (Seattle Boeing Field – Chicago Rockford International Airport) is 1658 miles / 2669 kilometers / 1441 nautical miles. Estimated flight time is 3 hours 38 minutes.

Driving distance from Seattle (BFI) to Rockford (RFD) is 2035 miles / 3275 kilometers and travel time by car is about 32 hours 59 minutes.

## Map of flight path and driving directions from Seattle to Rockford.

Shortest flight path between Seattle Boeing Field (BFI) and Chicago Rockford International Airport (RFD).

## How far is Rockford from Seattle?

There are several ways to calculate distances between Seattle and Rockford. Here are two common methods:

Vincenty's formula (applied above)
• 1658.241 miles
• 2668.680 kilometers
• 1440.972 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
• 1653.907 miles
• 2661.706 kilometers
• 1437.206 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).

## Airport information

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

B 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

## Time difference and current local times

The time difference between Seattle and Rockford is 2 hours. Rockford is 2 hours ahead of Seattle.

PDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 190 kg (418 pounds).

## Frequent Flyer Miles Calculator

Seattle (BFI) → Rockford (RFD).

Distance:
1658
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1658

Round trip?