How far is Florence from Ontario, CA?

The distance between Ontario (Ontario International Airport) and Florence (Florence Airport) is 6181 miles / 9947 kilometers / 5371 nautical miles.

Distance from Ontario to Florence

There are several ways to calculate the distance from Ontario to Florence. Here are two standard methods:

Vincenty's formula (applied above)

• 6181.010 miles
• 9947.371 kilometers
• 5371.151 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

• 6166.964 miles
• 9924.766 kilometers
• 5358.945 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 Florence?

The estimated flight time from Ontario International Airport to Florence Airport is 12 hours and 12 minutes.

What is the time difference between Ontario and Florence?

The time difference between Ontario and Florence is 9 hours. Florence is 9 hours ahead of Ontario.

Flight carbon footprint between Ontario International Airport (ONT) and Florence Airport (FLR)

On average, flying from Ontario to Florence generates about 741 kg of CO2 per passenger, and 741 kilograms equals 1 634 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Ontario to Florence

See the map of the shortest flight path between Ontario International Airport (ONT) and Florence Airport (FLR).

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	Florence Airport
City:	Florence
Country:	Italy
IATA Code:	FLR
ICAO Code:	LIRQ
Coordinates:	43°48′36″N, 11°12′18″E