The halfway point between St. Louis Downtown Airport and Abraham Lincoln Capital Airport is:

Macoupin, Illinois

From:
City:	round-tripone-way
Check-in:
Check-out:
Get:	flighthotelcar rental      SEARCH

Get:	all calculations distance driving time driving distance flight time closest airport cost of driving time difference major cities halfway point stopping points fly or drive direct flights airlines serving hotels in the area currency converter latitude/longitude
From:
To:

• Saint Louis and Springfield midpoint

Find things to do halfway with  

Map of halfway point

More trip calculations

• Driving Distance
• Driving Time
• Cost Of Driving
• Places To Stop
• Distance
• Flight Time
• Time Difference

Halfway between CPS and SPI

For a flight, the straight line geographic midpoint coordinates are 39° 12' 27" N and 89° 55' 9" W.

The city at the geographic halfway point from CPS to SPI is Macoupin, Illinois.

The closest zip code to the flight midpoint is 62685.

Halfway point calculator

Travelmath helps you figure out the midpoint between two locations based on the driving directions from each starting point. You can find the closest town that is an equal distance from two cities. Use this tool to determine the best city to meet, or to look for interesting stops along the way if you're planning a long road trip and you need to take a break or stay overnight. Search for hotels at the midpoint city to split up your drive, or explore other nearby cities and discover local towns on your trip. If you're meeting a friend halfway in-between, you can figure out how far each person has to drive and how long it will take to arrive at the center. Even if you're separated by water, you can still calculate the straight line geographic midpoint to determine the closest flight distance.