How far is Madison, WI, from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Madison (Dane County Regional Airport) is 1643 miles / 2645 kilometers / 1428 nautical miles.
The driving distance from Ontario (ONT) to Madison (MSN) is 1942 miles / 3125 kilometers, and travel time by car is about 34 hours 15 minutes.
Ontario International Airport – Dane County Regional Airport
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Distance from Ontario to Madison
There are several ways to calculate the distance from Ontario to Madison. Here are two standard methods:
Vincenty's formula (applied above)- 1643.237 miles
- 2644.534 kilometers
- 1427.934 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- 1640.249 miles
- 2639.725 kilometers
- 1425.337 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 Madison?
The estimated flight time from Ontario International Airport to Dane County Regional Airport is 3 hours and 36 minutes.
What is the time difference between Ontario and Madison?
The time difference between Ontario and Madison is 2 hours. Madison is 2 hours ahead of Ontario.
Flight carbon footprint between Ontario International Airport (ONT) and Dane County Regional Airport (MSN)
On average, flying from Ontario to Madison generates about 189 kg of CO2 per passenger, and 189 kilograms equals 416 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 Madison
See the map of the shortest flight path between Ontario International Airport (ONT) and Dane County Regional Airport (MSN).
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 | Dane County Regional Airport |
|---|---|
| City: | Madison, WI |
| Country: | United States |
| IATA Code: | MSN |
| ICAO Code: | KMSN |
| Coordinates: | 43°8′23″N, 89°20′15″W |