How far is Ontario, CA, from Pierre, SD?
The distance between Pierre (Pierre Regional Airport) and Ontario (Ontario International Airport) is 1167 miles / 1878 kilometers / 1014 nautical miles.
The driving distance from Pierre (PIR) to Ontario (ONT) is 1488 miles / 2395 kilometers, and travel time by car is about 26 hours 29 minutes.
Pierre Regional Airport – Ontario International Airport
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Distance from Pierre to Ontario
There are several ways to calculate the distance from Pierre to Ontario. Here are two standard methods:
Vincenty's formula (applied above)- 1166.666 miles
- 1877.567 kilometers
- 1013.805 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- 1165.561 miles
- 1875.788 kilometers
- 1012.845 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 Pierre to Ontario?
The estimated flight time from Pierre Regional Airport to Ontario International Airport is 2 hours and 42 minutes.
What is the time difference between Pierre and Ontario?
The time difference between Pierre and Ontario is 2 hours. Ontario is 2 hours behind Pierre.
Flight carbon footprint between Pierre Regional Airport (PIR) and Ontario International Airport (ONT)
On average, flying from Pierre to Ontario generates about 160 kg of CO2 per passenger, and 160 kilograms equals 353 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Pierre to Ontario
See the map of the shortest flight path between Pierre Regional Airport (PIR) and Ontario International Airport (ONT).
Airport information
| Origin | Pierre Regional Airport |
|---|---|
| City: | Pierre, SD |
| Country: | United States  |
| IATA Code: | PIR |
| ICAO Code: | KPIR |
| Coordinates: | 44°22′57″N, 100°17′9″W |
| Destination | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |