How far is Roma from Ottawa?

The distance between Ottawa (Ottawa Macdonald–Cartier International Airport) and Roma (Roma Airport) is 9677 miles / 15574 kilometers / 8409 nautical miles.

Distance from Ottawa to Roma

There are several ways to calculate the distance from Ottawa to Roma. Here are two standard methods:

Vincenty's formula (applied above)

• 9677.309 miles
• 15574.120 kilometers
• 8409.352 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

• 9677.987 miles
• 15575.210 kilometers
• 8409.940 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 Ottawa to Roma?

The estimated flight time from Ottawa Macdonald–Cartier International Airport to Roma Airport is 18 hours and 49 minutes.

What is the time difference between Ottawa and Roma?

The time difference between Ottawa and Roma is 15 hours. Roma is 15 hours ahead of Ottawa.

Flight carbon footprint between Ottawa Macdonald–Cartier International Airport (YOW) and Roma Airport (RMA)

On average, flying from Ottawa to Roma generates about 1 251 kg of CO2 per passenger, and 1 251 kilograms equals 2 758 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Ottawa to Roma

See the map of the shortest flight path between Ottawa Macdonald–Cartier International Airport (YOW) and Roma Airport (RMA).

Airport information

Origin	Ottawa Macdonald–Cartier International Airport
City:	Ottawa
Country:	Canada
IATA Code:	YOW
ICAO Code:	CYOW
Coordinates:	45°19′20″N, 75°40′9″W

Destination	Roma Airport
City:	Roma
Country:	Australia
IATA Code:	RMA
ICAO Code:	YROM
Coordinates:	26°32′42″S, 148°46′29″E