Air Miles Calculator

Distance between Chicago, IL (ORD) and Miles City, MT (MLS)

Distance from Chicago to Miles City (Miles City Airport – O'Hare International Airport) is 942 miles / 1516 kilometers / 819 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 941.929 miles
  • 1515.888 kilometers
  • 818.514 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
  • 939.692 miles
  • 1512.288 kilometers
  • 816.570 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from O'Hare International Airport (ORD) to Miles City Airport (MLS) is 2 hours 17 minutes.

Time difference and current local times

The time difference between Chicago and Miles City is 1 hour. Miles City is 1 hour behind Chicago.

Time Difference

Chicago
Miles City

Chicago, IL

 CDT

Miles City, MT

 MDT

Airport information


A 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 Miles City Airport
City: Miles City, MT
Country: United States Flag of United States
IATA Code: MLS
ICAO Code: KMLS
Coordinates: 46°25′40″N, 105°53′9″W

Map

Chicago to Miles City flight map.

Frequent Flyer Miles Calculator

Chicago (ORD) → Miles City (MLS).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
942
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
942

Round trip?