How far is Helena, MT, from Oklahoma City, OK?
The distance between Oklahoma City (Will Rogers World Airport) and Helena (Helena Regional Airport) is 1076 miles / 1731 kilometers / 935 nautical miles.
The driving distance from Oklahoma City (OKC) to Helena (HLN) is 1469 miles / 2364 kilometers, and travel time by car is about 25 hours 2 minutes.
Will Rogers World Airport – Helena Regional Airport
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Distance from Oklahoma City to Helena
There are several ways to calculate the distance from Oklahoma City to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1075.608 miles
- 1731.024 kilometers
- 934.678 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- 1074.992 miles
- 1730.032 kilometers
- 934.143 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 Oklahoma City to Helena?
The estimated flight time from Will Rogers World Airport to Helena Regional Airport is 2 hours and 32 minutes.
What is the time difference between Oklahoma City and Helena?
Flight carbon footprint between Will Rogers World Airport (OKC) and Helena Regional Airport (HLN)
On average, flying from Oklahoma City to Helena generates about 155 kg of CO2 per passenger, and 155 kilograms equals 343 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Oklahoma City to Helena
See the map of the shortest flight path between Will Rogers World Airport (OKC) and Helena Regional Airport (HLN).
Airport information
| Origin | Will Rogers World Airport |
|---|---|
| City: | Oklahoma City, OK |
| Country: | United States  |
| IATA Code: | OKC |
| ICAO Code: | KOKC |
| Coordinates: | 35°23′35″N, 97°36′2″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 |