What is the flight distance between ALN and DPA?

Distance between Alton Airport (ALN) and Dupage County Airport (DPA) is 369 kilometers or 229 miles.

Distance From Alton Airport to Dupage County Airport (ALN - DPA Distance)

Q: How long is the flight from ALN to DPA?

Flight time from Alton Airport, Alton, United States to Dupage County Airport, Chicago, United States is 0 hours 27 minutes under avarage conditions.

Q: What is the time difference between Alton, United States and Chicago, United States?

Time difference between Alton (United States) and Chicago (United States) is 1 Hours. Chicago time is 1 Hours behind Alton. It is currently 13:47 in Alton Airport (ALN) and 12:47 in Dupage County Airport (DPA).

The flight distance from Alton Airport (ALN) to Dupage County Airport (DPA) is 229 miles. This is equivalent to 369 kilometers or 199 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.

369 kilometers is the distance from Alton Airport, United States to Dupage County Airport, United States.

Flight Duration between Alton, United States and Chicago, United States

Estimated flight time from Alton Airport, Alton, United States to Dupage County Airport, Chicago, United States is 0 hours 27 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • ALN - DPA

Time difference between Alton (United States) and Chicago (United States) is 1 Hours.
Current local time in Alton is 2026-06-19, 13:47:57 EDT and time in Chicago is 2026-06-19, 12:47:57 CDT.
Chicago time is 1 Hours behind Alton.

Alton Airport to Dupage County Airport Flight Route Map - ALN to DPA Flight Path

Location of Alton Airport & Dupage County Airport is given below.
Click the map to view Alton to Chicago nonstop flight path and travel direction.

Click to see flight route on Google Map between Alton, United States and Chicago, United States. .

Nonstop flight route between Alton, United States and Chicago, United States.

Alton Airport
City:	Alton
Country:	United States
IATA Code:	ALN
ICAO Code:	KALN
GPS Coordinates:	Latitude: N 38° 53' 25.1'' Longitude: W 90° 2' 45.8''
Current time:	2026-06-19, 13:47:57 EDT
Current weather:	Alton Airport 15 day weather forecast

Dupage County Airport
City:	Chicago
Country:	United States
IATA Code:	DPA
ICAO Code:	KDPA
GPS Coordinates:	Latitude: N 41° 54' 25'' Longitude: W 88° 14' 53.5''
Current time:	2026-06-19, 12:47:57 CDT
Current weather:	Dupage County Airport 15 day weather forecast
Flights: