How far is Glasgow, MT, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Glasgow (Glasgow Valley County Airport) is 948 miles / 1525 kilometers / 824 nautical miles.
The driving distance from Rockford (RFD) to Glasgow (GGW) is 1118 miles / 1799 kilometers, and travel time by car is about 20 hours 34 minutes.
Chicago Rockford International Airport – Glasgow Valley County Airport
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Distance from Rockford to Glasgow
There are several ways to calculate the distance from Rockford to Glasgow. Here are two standard methods:
Vincenty's formula (applied above)- 947.854 miles
- 1525.424 kilometers
- 823.663 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- 945.809 miles
- 1522.132 kilometers
- 821.885 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 Glasgow?
The estimated flight time from Chicago Rockford International Airport to Glasgow Valley County Airport is 2 hours and 17 minutes.
What is the time difference between Rockford and Glasgow?
The time difference between Rockford and Glasgow is 1 hour. Glasgow is 1 hour behind Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Glasgow Valley County Airport (GGW)
On average, flying from Rockford to Glasgow generates about 147 kg of CO2 per passenger, and 147 kilograms equals 324 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 Glasgow
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Glasgow Valley County Airport (GGW).
Airport information
Origin | Chicago Rockford International Airport |
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City: | Rockford, IL |
Country: | United States ![]() |
IATA Code: | RFD |
ICAO Code: | KRFD |
Coordinates: | 42°11′43″N, 89°5′49″W |
Destination | Glasgow Valley County Airport |
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City: | Glasgow, MT |
Country: | United States ![]() |
IATA Code: | GGW |
ICAO Code: | KGGW |
Coordinates: | 48°12′45″N, 106°36′53″W |