How far is Helena, MT, from Ottawa?
The distance between Ottawa (Ottawa Macdonald–Cartier International Airport) and Helena (Helena Regional Airport) is 1736 miles / 2793 kilometers / 1508 nautical miles.
The driving distance from Ottawa (YOW) to Helena (HLN) is 1985 miles / 3195 kilometers, and travel time by car is about 39 hours 35 minutes.
Ottawa Macdonald–Cartier International Airport – Helena Regional Airport
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Distance from Ottawa to Helena
There are several ways to calculate the distance from Ottawa to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 1735.748 miles
- 2793.416 kilometers
- 1508.324 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- 1730.822 miles
- 2785.488 kilometers
- 1504.043 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 Ottawa to Helena?
The estimated flight time from Ottawa Macdonald–Cartier International Airport to Helena Regional Airport is 3 hours and 47 minutes.
What is the time difference between Ottawa and Helena?
The time difference between Ottawa and Helena is 2 hours. Helena is 2 hours behind Ottawa.
Flight carbon footprint between Ottawa Macdonald–Cartier International Airport (YOW) and Helena Regional Airport (HLN)
On average, flying from Ottawa to Helena generates about 195 kg of CO2 per passenger, and 195 kilograms equals 430 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Ottawa to Helena
See the map of the shortest flight path between Ottawa Macdonald–Cartier International Airport (YOW) and Helena Regional Airport (HLN).
Airport information
| Origin | Ottawa Macdonald–Cartier International Airport |
|---|---|
| City: | Ottawa |
| Country: | Canada  |
| IATA Code: | YOW |
| ICAO Code: | CYOW |
| Coordinates: | 45°19′20″N, 75°40′9″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 |