How far is Lopez, WA, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Lopez (Lopez Island Airport) is 1689 miles / 2719 kilometers / 1468 nautical miles.
The driving distance from Rockford (RFD) to Lopez (LPS) is 2073 miles / 3336 kilometers, and travel time by car is about 37 hours 44 minutes.
Chicago Rockford International Airport – Lopez Island Airport
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Distance from Rockford to Lopez
There are several ways to calculate the distance from Rockford to Lopez. Here are two standard methods:
Vincenty's formula (applied above)- 1689.221 miles
- 2718.538 kilometers
- 1467.893 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- 1684.851 miles
- 2711.505 kilometers
- 1464.096 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 Lopez?
The estimated flight time from Chicago Rockford International Airport to Lopez Island Airport is 3 hours and 41 minutes.
What is the time difference between Rockford and Lopez?
The time difference between Rockford and Lopez is 2 hours. Lopez is 2 hours behind Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Lopez Island Airport (LPS)
On average, flying from Rockford to Lopez generates about 192 kg of CO2 per passenger, and 192 kilograms equals 423 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 Lopez
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Lopez Island Airport (LPS).
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 | Lopez Island Airport |
|---|---|
| City: | Lopez, WA |
| Country: | United States |
| IATA Code: | LPS |
| ICAO Code: | S31 |
| Coordinates: | 48°29′2″N, 122°56′16″W |