# Distance between Chicago, IL (MDW) and Portland, ME (PWM)

Flight distance from Chicago to Portland (Chicago Midway International Airport – Portland International Jetport) is 895 miles / 1441 kilometers / 778 nautical miles. Estimated flight time is 2 hours 11 minutes.

Driving distance from Chicago (MDW) to Portland (PWM) is 1088 miles / 1751 kilometers and travel time by car is about 19 hours 17 minutes.

## Map of flight path and driving directions from Chicago to Portland.

Shortest flight path between Chicago Midway International Airport (MDW) and Portland International Jetport (PWM).

## How far is Portland from Chicago?

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

Vincenty's formula (applied above)
• 895.382 miles
• 1440.977 kilometers
• 778.066 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
• 893.070 miles
• 1437.256 kilometers
• 776.056 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 Midway International Airport
City: Chicago, IL
Country: United States
IATA Code: MDW
ICAO Code: KMDW
Coordinates: 41°47′9″N, 87°45′8″W

B Portland International Jetport
City: Portland, ME
Country: United States
IATA Code: PWM
ICAO Code: KPWM
Coordinates: 43°38′46″N, 70°18′33″W

## Time difference and current local times

The time difference between Chicago and Portland is 1 hour. Portland is 1 hour ahead of Chicago.

CDT

EDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 143 kg (316 pounds).

## Frequent Flyer Miles Calculator

Chicago (MDW) → Portland (PWM).

Distance:
895
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
895

Round trip?