How far is Helena, MT, from Jamestown, ND?
The distance between Jamestown (Jamestown Regional Airport) and Helena (Helena Regional Airport) is 631 miles / 1016 kilometers / 548 nautical miles.
The driving distance from Jamestown (JMS) to Helena (HLN) is 736 miles / 1185 kilometers, and travel time by car is about 13 hours 2 minutes.
Jamestown Regional Airport – Helena Regional Airport
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Distance from Jamestown to Helena
There are several ways to calculate the distance from Jamestown to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 631.121 miles
- 1015.691 kilometers
- 548.429 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- 629.297 miles
- 1012.756 kilometers
- 546.844 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 Jamestown to Helena?
The estimated flight time from Jamestown Regional Airport to Helena Regional Airport is 1 hour and 41 minutes.
What is the time difference between Jamestown and Helena?
The time difference between Jamestown and Helena is 1 hour. Helena is 1 hour behind Jamestown.
Flight carbon footprint between Jamestown Regional Airport (JMS) and Helena Regional Airport (HLN)
On average, flying from Jamestown to Helena generates about 117 kg of CO2 per passenger, and 117 kilograms equals 257 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Jamestown to Helena
See the map of the shortest flight path between Jamestown Regional Airport (JMS) and Helena Regional Airport (HLN).
Airport information
| Origin | Jamestown Regional Airport |
|---|---|
| City: | Jamestown, ND |
| Country: | United States  |
| IATA Code: | JMS |
| ICAO Code: | KJMS |
| Coordinates: | 46°55′46″N, 98°40′41″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 |