Distance From Niagara District Airport to Cincinnati Northern Kentucky International Airport, YCM - CVG Distance

The distance from Niagara District Airport (YCM) to Cincinnati Northern Kentucky International Airport (CVG) is 405 miles or 651 kilometers or 352 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.

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How long does it take to travel from St Catharines ( Canada ) to Cincinnati / Covington ( United States )?

A one-way nonstop (direct) flight between St Catharines and Cincinnati / Covington takes around 0 hours 55 minutes.

Estimated flight time from Niagara District Airport, St Catharines, Canada to Cincinnati Northern Kentucky International Airport, Cincinnati / Covington, United States is 0 hours 55 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 • YCM - CVG

Kilometers		651 km
Statute Miles		405 miles
Nautical Miles		352 nm
Avg. Time of Flight		0 hours 55 minutes

Niagara District Airport to Cincinnati Northern Kentucky International Airport Flight Route Map - YCM to CVG Flight Path

Location of Niagara District Airport & Cincinnati Northern Kentucky International Airport is given below.
Click the map to view St Catharines to Cincinnati / Covington nonstop flight path and travel direction.

Click to see flight route on Google Map between St Catharines, Canada and Cincinnati / Covington, United States. .

Nonstop flight route between St Catharines, Canada and Cincinnati / Covington, United States.

Time Difference Between the Airports • YCM - CVG

Time difference between St Catharines (Canada) and Cincinnati / Covington (United States) is 0 Hours.

Location	Local Time
St Catharines (Canada)	2026-06-15, 02:39:48 EDT
Cincinnati / Covington (United States)	2026-06-15, 02:39:48 EDT

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.

Origin

Niagara District Airport (YCM / CYSN) St Catharines, Canada

Destination

Cincinnati Northern Kentucky International Airport (CVG / KCVG) Cincinnati / Covington, United States