Calculate Flight Distance & Air Miles
Instant flight distance, time estimates, and frequent flyer miles for any route
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Airline Miles Calculators
What Are Air Miles?
Air miles, also known as airline miles or frequent flyer miles, are the distance-based currency of airline loyalty programs. When you fly, you earn miles based on the distance traveled, which can be redeemed for free flights, upgrades, and other rewards.
Our calculator shows you the exact distance for any flight route using the great circle distance - the shortest path between two points on Earth's surface. This is the standard method airlines use to calculate miles earned on flights.
The distance is displayed in three units: statute miles (used by US airlines), kilometers (used internationally), and nautical miles (used in aviation). Most frequent flyer programs award miles based on the statute mile distance, though some use kilometers.
Elite status members earn bonus miles on top of the base distance - typically 25% for entry-level status up to 100% or more for top-tier members. Use our airline-specific calculators to see exactly how many miles you'll earn based on your status level.