How far is Reading, PA, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Reading (Reading Regional Airport) is 2315 miles / 3726 kilometers / 2012 nautical miles.
The driving distance from Ontario (ONT) to Reading (RDG) is 2622 miles / 4220 kilometers, and travel time by car is about 46 hours 58 minutes.
Ontario International Airport – Reading Regional Airport
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Distance from Ontario to Reading
There are several ways to calculate the distance from Ontario to Reading. Here are two standard methods:
Vincenty's formula (applied above)- 2315.400 miles
- 3726.275 kilometers
- 2012.028 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- 2310.335 miles
- 3718.125 kilometers
- 2007.627 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 Ontario to Reading?
The estimated flight time from Ontario International Airport to Reading Regional Airport is 4 hours and 53 minutes.
What is the time difference between Ontario and Reading?
The time difference between Ontario and Reading is 3 hours. Reading is 3 hours ahead of Ontario.
Flight carbon footprint between Ontario International Airport (ONT) and Reading Regional Airport (RDG)
On average, flying from Ontario to Reading generates about 254 kg of CO2 per passenger, and 254 kilograms equals 559 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Ontario to Reading
See the map of the shortest flight path between Ontario International Airport (ONT) and Reading Regional Airport (RDG).
Airport information
| Origin | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States  |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |
| Destination | Reading Regional Airport |
|---|---|
| City: | Reading, PA |
| Country: | United States |
| IATA Code: | RDG |
| ICAO Code: | KRDG |
| Coordinates: | 40°22′42″N, 75°57′54″W |