Air Miles Calculator

Distance between Chicago, IL (ORD) and Oshima (OIM)

Flight distance from Chicago to Oshima (Chicago O'Hare International Airport – Oshima Airport) is 6363 miles / 10240 kilometers / 5529 nautical miles. Estimated flight time is 12 hours 32 minutes.

Map of flight path from Chicago to Oshima.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Oshima Airport (OIM).

How far is Oshima from Chicago?

There are several ways to calculate distances between Chicago and Oshima. Here are two common methods:

Vincenty's formula (applied above)
  • 6362.552 miles
  • 10239.535 kilometers
  • 5528.906 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
  • 6348.237 miles
  • 10216.496 kilometers
  • 5516.467 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).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Oshima Airport
City: Oshima
Country: Japan Flag of Japan
IATA Code: OIM
ICAO Code: RJTO
Coordinates: 34°46′55″N, 139°21′36″E

Time difference and current local times

The time difference between Chicago and Oshima is 14 hours. Oshima is 14 hours ahead of Chicago.

Time Difference

Chicago, IL

 CDT

Oshima

 JST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 766 kg (1 689 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Oshima (OIM).

Distance:
6363
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
6363

Round trip?