How far is Chicago, IL, from Portsmouth, NH?
The distance between Portsmouth (Portsmouth International Airport at Pease) and Chicago (Chicago Midway International Airport) is 869 miles / 1398 kilometers / 755 nautical miles.
The driving distance from Portsmouth (PSM) to Chicago (MDW) is 1043 miles / 1679 kilometers, and travel time by car is about 19 hours 50 minutes.
Portsmouth International Airport at Pease – Chicago Midway International Airport
Search flights
Distance from Portsmouth to Chicago
There are several ways to calculate the distance from Portsmouth to Chicago. Here are two standard methods:
Vincenty's formula (applied above)- 868.694 miles
- 1398.028 kilometers
- 754.875 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- 866.434 miles
- 1394.390 kilometers
- 752.910 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 Portsmouth to Chicago?
The estimated flight time from Portsmouth International Airport at Pease to Chicago Midway International Airport is 2 hours and 8 minutes.
What is the time difference between Portsmouth and Chicago?
The time difference between Portsmouth and Chicago is 1 hour. Chicago is 1 hour behind Portsmouth.
Flight carbon footprint between Portsmouth International Airport at Pease (PSM) and Chicago Midway International Airport (MDW)
On average, flying from Portsmouth to Chicago generates about 141 kg of CO2 per passenger, and 141 kilograms equals 311 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Portsmouth to Chicago
See the map of the shortest flight path between Portsmouth International Airport at Pease (PSM) and Chicago Midway International Airport (MDW).
Airport information
| Origin | Portsmouth International Airport at Pease |
|---|---|
| City: | Portsmouth, NH |
| Country: | United States  |
| IATA Code: | PSM |
| ICAO Code: | KPSM |
| Coordinates: | 43°4′40″N, 70°49′23″W |
| Destination | 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 |