The distance from St Louis Downtown Airport (CPS) to Yokota Air Base (OKO) is 6408 miles or 10312 kilometers or 5565 nautical miles.
The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.
10312 kilometers is the direct flight distance between St Louis Downtown Airport (United States) and Yokota Air Base (Japan).
How long does it take to travel from Cahokia/St Louis ( United States ) to Fussa ( Japan )?
A one-way nonstop (direct) flight between Cahokia/St Louis and Fussa takes around 14 hours 43 minutes.
Estimated
flight time from St Louis Downtown Airport, Cahokia/St Louis, United States to Yokota Air Base, Fussa, Japan is
14 hours 43 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.
Travel Distance Between the Airports • CPS - OKO
| Kilometers | | 10312 km |
| Statute Miles | | 6408 miles |
| Nautical Miles | | 5565 nm |
| Avg. Time of Flight | | 14 hours 43 minutes |
St Louis Downtown Airport to Yokota Air Base Flight Route Map - CPS to OKO Flight Path
Location of St Louis Downtown Airport & Yokota Air Base is given below.
Click the map to view Cahokia/St Louis to Fussa nonstop flight path and travel direction.
Click to see flight route on Google Map between Cahokia/St Louis, United States and Fussa, Japan. .
Nonstop flight route between Cahokia/St Louis, United States and Fussa, Japan.
Time Difference Between the Airports • CPS - OKO
Time difference between
Cahokia/St Louis (United States) and
Fussa (Japan) is 14 Hours.
Fussa time is 14 Hours ahead of Cahokia/St Louis.
| Location | Local Time |
| Cahokia/St Louis (United States) | 2025-12-05, 01:47:03 EST |
| Fussa (Japan) | 2025-12-05, 15:47:03 JST |
Why should you arrive 3 hours before international flight?
Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.