How far is Idaho Falls, ID, from Lexington, KY?
The distance between Lexington (Lexington Blue Grass Airport) and Idaho Falls (Idaho Falls Regional Airport) is 1482 miles / 2385 kilometers / 1288 nautical miles.
The driving distance from Lexington (LEX) to Idaho Falls (IDA) is 1728 miles / 2781 kilometers, and travel time by car is about 31 hours 21 minutes.
Lexington Blue Grass Airport – Idaho Falls Regional Airport
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Distance from Lexington to Idaho Falls
There are several ways to calculate the distance from Lexington to Idaho Falls. Here are two standard methods:
Vincenty's formula (applied above)- 1481.991 miles
- 2385.034 kilometers
- 1287.815 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- 1478.595 miles
- 2379.568 kilometers
- 1284.864 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 Lexington to Idaho Falls?
The estimated flight time from Lexington Blue Grass Airport to Idaho Falls Regional Airport is 3 hours and 18 minutes.
What is the time difference between Lexington and Idaho Falls?
Flight carbon footprint between Lexington Blue Grass Airport (LEX) and Idaho Falls Regional Airport (IDA)
On average, flying from Lexington to Idaho Falls generates about 178 kg of CO2 per passenger, and 178 kilograms equals 393 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Lexington to Idaho Falls
See the map of the shortest flight path between Lexington Blue Grass Airport (LEX) and Idaho Falls Regional Airport (IDA).
Airport information
Origin | Lexington Blue Grass Airport |
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City: | Lexington, KY |
Country: | United States ![]() |
IATA Code: | LEX |
ICAO Code: | KLEX |
Coordinates: | 38°2′11″N, 84°36′21″W |
Destination | Idaho Falls Regional Airport |
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City: | Idaho Falls, ID |
Country: | United States ![]() |
IATA Code: | IDA |
ICAO Code: | KIDA |
Coordinates: | 43°30′52″N, 112°4′15″W |