The halfway point between Istanbul Airport and Zonguldak Airport is:
Adapazari, Turkey
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Halfway between IST and ONQ
The best city between IST and ONQ to meet is Adapazari, Turkey which is about 23 miles from the exact midpoint.
The town that marks the exact halfway point is actually Hendek, Turkey.
The exact latitude and longitude coordinates are 40° 48' 3" N and 30° 50' 56" E.
The total driving distance from IST to ONQ is 273 miles or 439 kilometers.
Each person would then have to drive about 137 miles to meet in the middle.
It will take about 2 hours and 30 minutes for each driver to arrive at the meeting point.
For a flight, the straight line geographic midpoint coordinates are 41° 24' 10" N and 30° 25' 3" E.
The city at the geographic halfway point from IST to ONQ is Agva, Turkey.
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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.
