How far is Oklahoma City, OK, from Helena, MT?
The distance between Helena (Helena Regional Airport) and Oklahoma City (Will Rogers World Airport) is 1076 miles / 1731 kilometers / 935 nautical miles.
The driving distance from Helena (HLN) to Oklahoma City (OKC) is 1469 miles / 2364 kilometers, and travel time by car is about 25 hours 9 minutes.
Helena Regional Airport – Will Rogers World Airport
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Distance from Helena to Oklahoma City
There are several ways to calculate the distance from Helena to Oklahoma City. 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 Helena to Oklahoma City?
The estimated flight time from Helena Regional Airport to Will Rogers World Airport is 2 hours and 32 minutes.
What is the time difference between Helena and Oklahoma City?
Flight carbon footprint between Helena Regional Airport (HLN) and Will Rogers World Airport (OKC)
On average, flying from Helena to Oklahoma City 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 Helena to Oklahoma City
See the map of the shortest flight path between Helena Regional Airport (HLN) and Will Rogers World Airport (OKC).
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 | 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 |