How far is Ontario, CA, from Tokyo?

The distance between Tokyo (Narita International Airport) and Ontario (Ontario International Airport) is 5484 miles / 8826 kilometers / 4766 nautical miles.

Distance from Tokyo to Ontario

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

Vincenty's formula (applied above)

• 5484.052 miles
• 8825.727 kilometers
• 4765.511 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

• 5472.209 miles
• 8806.667 kilometers
• 4755.220 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 Tokyo to Ontario?

The estimated flight time from Narita International Airport to Ontario International Airport is 10 hours and 52 minutes.

What is the time difference between Tokyo and Ontario?

The time difference between Tokyo and Ontario is 17 hours. Ontario is 17 hours behind Tokyo.

Flight carbon footprint between Narita International Airport (NRT) and Ontario International Airport (ONT)

On average, flying from Tokyo to Ontario generates about 647 kg of CO2 per passenger, and 647 kilograms equals 1 427 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Tokyo to Ontario

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

Airport information

Origin	Narita International Airport
City:	Tokyo
Country:	Japan
IATA Code:	NRT
ICAO Code:	RJAA
Coordinates:	35°45′52″N, 140°23′9″E

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