How far is Florence from Chicago?
There are several ways to calculate distances between Chicago and Florence. Here are two common methods:Vincenty's formula (applied above)
- 697.722 miles
- 1122.875 kilometers
- 606.304 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 697.780 miles
- 1122.968 kilometers
- 606.354 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).
Estimated flight time from Chicago O'Hare International Airport (ORD) to Florence Regional Airport (FLO) is 1 hour 49 minutes.
Time difference and current local times
The time difference between Chicago and Florence is 1 hour. Florence is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 124 kg (274 pounds).
Chicago to Florence flight path
Shortest flight path between Chicago O'Hare International Airport (ORD) and Florence Regional Airport (FLO).
Frequent Flyer Miles Calculator
Chicago (ORD) → Florence (FLO).