How far is Great Falls, MT, from Lopez, WA?
The distance between Lopez (Lopez Island Airport) and Great Falls (Great Falls International Airport) is 540 miles / 870 kilometers / 470 nautical miles.
The driving distance from Lopez (LPS) to Great Falls (GTF) is 741 miles / 1193 kilometers, and travel time by car is about 14 hours 44 minutes.
Lopez Island Airport – Great Falls International Airport
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Distance from Lopez to Great Falls
There are several ways to calculate the distance from Lopez to Great Falls. Here are two standard methods:
Vincenty's formula (applied above)- 540.455 miles
- 869.777 kilometers
- 469.642 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- 538.879 miles
- 867.242 kilometers
- 468.273 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 Lopez to Great Falls?
The estimated flight time from Lopez Island Airport to Great Falls International Airport is 1 hour and 31 minutes.
What is the time difference between Lopez and Great Falls?
The time difference between Lopez and Great Falls is 1 hour. Great Falls is 1 hour ahead of Lopez.
Flight carbon footprint between Lopez Island Airport (LPS) and Great Falls International Airport (GTF)
On average, flying from Lopez to Great Falls generates about 105 kg of CO2 per passenger, and 105 kilograms equals 231 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Lopez to Great Falls
See the map of the shortest flight path between Lopez Island Airport (LPS) and Great Falls International Airport (GTF).
Airport information
| Origin | Lopez Island Airport |
|---|---|
| City: | Lopez, WA |
| Country: | United States  |
| IATA Code: | LPS |
| ICAO Code: | S31 |
| Coordinates: | 48°29′2″N, 122°56′16″W |
| Destination | Great Falls International Airport |
|---|---|
| City: | Great Falls, MT |
| Country: | United States |
| IATA Code: | GTF |
| ICAO Code: | KGTF |
| Coordinates: | 47°28′55″N, 111°22′15″W |