How far is Harlingen from Chicago?
There are several ways to calculate distances between Chicago and Harlingen. Here are two common methods:Vincenty's formula (applied above)
- 1219.048 miles
- 1961.868 kilometers
- 1059.324 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 1220.841 miles
- 1964.754 kilometers
- 1060.882 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).
Estimated flight time from O'Hare International Airport (ORD) to Valley International Airport (HRL) is 2 hours 48 minutes.
Time difference and current local times
There is no time difference between Chicago and Harlingen.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 162 kg (358 pounds).
Chicago to Harlingen flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Harlingen (HRL).