How far is Helena, MT, from Sapporo?
The distance between Sapporo (Okadama Airport) and Helena (Helena Regional Airport) is 4803 miles / 7730 kilometers / 4174 nautical miles.
Okadama Airport – Helena Regional Airport
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Distance from Sapporo to Helena
There are several ways to calculate the distance from Sapporo to Helena. Here are two standard methods:
Vincenty's formula (applied above)- 4802.992 miles
- 7729.667 kilometers
- 4173.686 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- 4789.870 miles
- 7708.549 kilometers
- 4162.284 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 Sapporo to Helena?
The estimated flight time from Okadama Airport to Helena Regional Airport is 9 hours and 35 minutes.
What is the time difference between Sapporo and Helena?
The time difference between Sapporo and Helena is 16 hours. Helena is 16 hours behind Sapporo.
Flight carbon footprint between Okadama Airport (OKD) and Helena Regional Airport (HLN)
On average, flying from Sapporo to Helena generates about 558 kg of CO2 per passenger, and 558 kilograms equals 1 231 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Sapporo to Helena
See the map of the shortest flight path between Okadama Airport (OKD) and Helena Regional Airport (HLN).
Airport information
| Origin | Okadama Airport |
|---|---|
| City: | Sapporo |
| Country: | Japan  |
| IATA Code: | OKD |
| ICAO Code: | RJCO |
| Coordinates: | 43°6′57″N, 141°22′48″E |
| 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 |