How far is Jamestown, ND, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Jamestown (Jamestown Regional Airport) is 631 miles / 1016 kilometers / 548 nautical miles.
The driving distance from Helena (HLN) to Jamestown (JMS) is 734 miles / 1182 kilometers, and travel time by car is about 13 hours 0 minutes.
Helena Regional Airport – Jamestown Regional Airport
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Distance from Helena to Jamestown
There are several ways to calculate the distance from Helena to Jamestown. 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 Helena to Jamestown?
The estimated flight time from Helena Regional Airport to Jamestown Regional Airport is 1 hour and 41 minutes.
What is the time difference between Helena and Jamestown?
The time difference between Helena and Jamestown is 1 hour. Jamestown is 1 hour ahead of Helena.
Flight carbon footprint between Helena Regional Airport (HLN) and Jamestown Regional Airport (JMS)
On average, flying from Helena to Jamestown 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 Helena to Jamestown
See the map of the shortest flight path between Helena Regional Airport (HLN) and Jamestown Regional Airport (JMS).
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 | Jamestown Regional Airport |
|---|---|
| City: | Jamestown, ND |
| Country: | United States |
| IATA Code: | JMS |
| ICAO Code: | KJMS |
| Coordinates: | 46°55′46″N, 98°40′41″W |