Cincinnati to Saint Charles, Maryland: Road Trip Guide & Distance

How far is Cincinnati from Saint Charles, Maryland?

The distance from Cincinnati to Saint Charles, Maryland is 408.9 miles (658 km) as the crow flies. Saint Charles, Maryland is located E of Cincinnati. By car, the driving distance is approximately 490.6 miles, taking about 9h 52min. A direct flight would take roughly 1h 19min. Both are located in United States — Cincinnati in Ohio and Saint Charles, Maryland in Maryland.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility.

Coordinates come from public place data for Cincinnati and Saint Charles, Maryland. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.