Map of flight path and driving directions from Harlingen to Monroe.
Shortest flight path between Valley International Airport (HRL) and Monroe Regional Airport (MLU).
How far is Monroe from Harlingen?
There are several ways to calculate distances between Harlingen and Monroe. Here are two common methods:Vincenty's formula (applied above)
- 549.362 miles
- 884.113 kilometers
- 477.383 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
- 550.047 miles
- 885.215 kilometers
- 477.978 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).
Time difference and current local times
There is no time difference between Harlingen and Monroe.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 106 kg (233 pounds).
Frequent Flyer Miles Calculator
Harlingen (HRL) → Monroe (MLU).