How far is Ontario, CA, from Madison, WI?
The distance between Madison (Dane County Regional Airport) and Ontario (Ontario International Airport) is 1643 miles / 2645 kilometers / 1428 nautical miles.
The driving distance from Madison (MSN) to Ontario (ONT) is 1945 miles / 3130 kilometers, and travel time by car is about 34 hours 14 minutes.
Dane County Regional Airport – Ontario International Airport
Search flights
Distance from Madison to Ontario
There are several ways to calculate the distance from Madison to Ontario. 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 Madison to Ontario?
The estimated flight time from Dane County Regional Airport to Ontario International Airport is 3 hours and 36 minutes.
What is the time difference between Madison and Ontario?
The time difference between Madison and Ontario is 2 hours. Ontario is 2 hours behind Madison.
Flight carbon footprint between Dane County Regional Airport (MSN) and Ontario International Airport (ONT)
On average, flying from Madison to Ontario 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 Madison to Ontario
See the map of the shortest flight path between Dane County Regional Airport (MSN) and Ontario International Airport (ONT).
Airport information
| Origin | 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 |
| 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 |