How far is Helena, MT, from Lopez, WA?

The distance between Lopez (Lopez Island Airport) and Helena (Helena Regional Airport) is 528 miles / 850 kilometers / 459 nautical miles.

The driving distance from Lopez (LPS) to Helena (HLN) is 685 miles / 1103 kilometers, and travel time by car is about 13 hours 19 minutes.

Distance from Lopez to Helena

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

Vincenty's formula (applied above)

• 528.071 miles
• 849.847 kilometers
• 458.881 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

• 526.616 miles
• 847.507 kilometers
• 457.617 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 Lopez to Helena?

The estimated flight time from Lopez Island Airport to Helena Regional Airport is 1 hour and 29 minutes.

What is the time difference between Lopez and Helena?

The time difference between Lopez and Helena is 1 hour. Helena is 1 hour ahead of Lopez.

Flight carbon footprint between Lopez Island Airport (LPS) and Helena Regional Airport (HLN)

On average, flying from Lopez to Helena generates about 103 kg of CO2 per passenger, and 103 kilograms equals 227 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Lopez to Helena

See the map of the shortest flight path between Lopez Island Airport (LPS) and Helena Regional Airport (HLN).

Airport information

Origin	Lopez Island Airport
City:	Lopez, WA
Country:	United States
IATA Code:	LPS
ICAO Code:	S31
Coordinates:	48°29′2″N, 122°56′16″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