# 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
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″W

B Oshima Airport
City: Oshima
Country: 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.

CDT

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?