Air Miles Calculator

Distance between Harlingen, TX (HRL) and Monroe, LA (MLU)

Flight distance from Harlingen to Monroe (Valley International Airport – Monroe Regional Airport) is 549 miles / 884 kilometers / 477 nautical miles. Estimated flight time is 1 hour 32 minutes.

Driving distance from Harlingen (HRL) to Monroe (MLU) is 663 miles / 1067 kilometers and travel time by car is about 12 hours 15 minutes.

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).

Airport information


A Valley International Airport
City: Harlingen, TX
Country: United States Flag of United States
IATA Code: HRL
ICAO Code: KHRL
Coordinates: 26°13′42″N, 97°39′15″W

B Monroe Regional Airport
City: Monroe, LA
Country: United States Flag of United States
IATA Code: MLU
ICAO Code: KMLU
Coordinates: 32°30′39″N, 92°2′15″W

Time difference and current local times

There is no time difference between Harlingen and Monroe.

Time Difference

Harlingen, TX

 CST

Monroe, LA

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 106 kg (233 pounds).

Frequent Flyer Miles Calculator

Harlingen (HRL) → Monroe (MLU).

Distance:
549
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
549

Round trip?