How far is Helena, MT, from Waco, TX?

The distance between Waco (Waco Regional Airport) and Helena (Helena Regional Airport) is 1299 miles / 2090 kilometers / 1129 nautical miles.

The driving distance from Waco (ACT) to Helena (HLN) is 1650 miles / 2655 kilometers, and travel time by car is about 29 hours 17 minutes.

Distance from Waco to Helena

There are several ways to calculate the distance from Waco to Helena. Here are two standard methods:

Vincenty's formula (applied above)

• 1298.680 miles
• 2090.023 kilometers
• 1128.522 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

• 1298.833 miles
• 2090.269 kilometers
• 1128.655 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 Waco to Helena?

The estimated flight time from Waco Regional Airport to Helena Regional Airport is 2 hours and 57 minutes.

What is the time difference between Waco and Helena?

The time difference between Waco and Helena is 1 hour. Helena is 1 hour behind Waco.

Flight carbon footprint between Waco Regional Airport (ACT) and Helena Regional Airport (HLN)

On average, flying from Waco to Helena generates about 167 kg of CO2 per passenger, and 167 kilograms equals 368 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Waco to Helena

See the map of the shortest flight path between Waco Regional Airport (ACT) and Helena Regional Airport (HLN).

Airport information

Origin	Waco Regional Airport
City:	Waco, TX
Country:	United States
IATA Code:	ACT
ICAO Code:	KACT
Coordinates:	31°36′40″N, 97°13′49″W

Destination	Helena Regional Airport
City:	Helena, MT
Country:	United States
IATA Code:	HLN
ICAO Code:	KHLN
Coordinates:	46°36′24″N, 111°58′58″W