How far is Waterloo, IA, from Green Bay, WI?
The distance between Green Bay (Green Bay–Austin Straubel International Airport) and Waterloo (Waterloo Regional Airport) is 252 miles / 406 kilometers / 219 nautical miles.
The driving distance from Green Bay (GRB) to Waterloo (ALO) is 325 miles / 523 kilometers, and travel time by car is about 6 hours 29 minutes.
Green Bay–Austin Straubel International Airport – Waterloo Regional Airport
Search flights
Distance from Green Bay to Waterloo
There are several ways to calculate the distance from Green Bay to Waterloo. Here are two standard methods:
Vincenty's formula (applied above)- 252.429 miles
- 406.244 kilometers
- 219.354 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- 251.994 miles
- 405.546 kilometers
- 218.977 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 Green Bay to Waterloo?
The estimated flight time from Green Bay–Austin Straubel International Airport to Waterloo Regional Airport is 58 minutes.
What is the time difference between Green Bay and Waterloo?
Flight carbon footprint between Green Bay–Austin Straubel International Airport (GRB) and Waterloo Regional Airport (ALO)
On average, flying from Green Bay to Waterloo generates about 62 kg of CO2 per passenger, and 62 kilograms equals 137 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Green Bay to Waterloo
See the map of the shortest flight path between Green Bay–Austin Straubel International Airport (GRB) and Waterloo Regional Airport (ALO).
Airport information
| Origin | Green Bay–Austin Straubel International Airport |
|---|---|
| City: | Green Bay, WI |
| Country: | United States  |
| IATA Code: | GRB |
| ICAO Code: | KGRB |
| Coordinates: | 44°29′6″N, 88°7′46″W |
| Destination | Waterloo Regional Airport |
|---|---|
| City: | Waterloo, IA |
| Country: | United States |
| IATA Code: | ALO |
| ICAO Code: | KALO |
| Coordinates: | 42°33′25″N, 92°24′1″W |