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 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 map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Florence (FLO).