How far is Tok, AK, from Helena, MT?

The distance between Helena (Helena Regional Airport) and Tok (Tok Junction Airport) is 1660 miles / 2672 kilometers / 1443 nautical miles.

The driving distance from Helena (HLN) to Tok (TKJ) is 2177 miles / 3504 kilometers, and travel time by car is about 41 hours 47 minutes.

Distance from Helena to Tok

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

Vincenty's formula (applied above)

• 1660.050 miles
• 2671.591 kilometers
• 1442.544 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

• 1656.308 miles
• 2665.569 kilometers
• 1439.292 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 Helena to Tok?

The estimated flight time from Helena Regional Airport to Tok Junction Airport is 3 hours and 38 minutes.

What is the time difference between Helena and Tok?

The time difference between Helena and Tok is 2 hours. Tok is 2 hours behind Helena.

Flight carbon footprint between Helena Regional Airport (HLN) and Tok Junction Airport (TKJ)

On average, flying from Helena to Tok generates about 190 kg of CO2 per passenger, and 190 kilograms equals 419 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Helena to Tok

See the map of the shortest flight path between Helena Regional Airport (HLN) and Tok Junction Airport (TKJ).

Airport information

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

Destination	Tok Junction Airport
City:	Tok, AK
Country:	United States
IATA Code:	TKJ
ICAO Code:	PFTO
Coordinates:	63°19′46″N, 142°57′14″W