Average driving speed: 65.3 mph
Kilometers per hour: 105.2 km/h
This is based on typical traffic conditions for this route.

• Colorado Springs to Dulles drive
• road conditions from Colorado Springs to Dulles
• flattest route from Colorado Springs to Dulles

Change your driving speed:

mph     km/h    

Map of driving directions from COS to IAD

View a map with driving directions using your preferred map provider: Google Maps, Bing Maps, or MapQuest.

More trip calculations

• Driving Distance
• Cost To Drive
• Reverse Driving Time
• Halfway
• Places To Stop
• Hotels near IAD
• Flight Duration
• Distance To Fly
• airports near IAD
• airlines flying to IAD
• Direct Flight
• Time Zone Change

Driving time from COS to IAD

How long is the drive from COS to IAD? The total driving time is 25 hours, 51 minutes.

Your trip begins at Colorado Springs Airport in Colorado Springs, Colorado. It ends at Washington Dulles International Airport in Dulles, Virginia.

If you're planning a road trip, you might be interested in seeing the total driving distance from COS to IAD.

You can also calculate the cost to drive from COS to IAD based on current local gas prices and an estimate of your car's best gas mileage.

Since this is a long drive, you might want to stop halfway and stay overnight in a hotel. You can find the city that is halfway between COS and IAD.

Planning to fly a plane instead? You might be more interested in calculating the flight time from COS to IAD.

Driving time calculator

Travelmath helps you find the driving time based on actual directions for your road trip. You can find out how long it will take to drive between any two cities, airports, states, countries, or zip codes. This can also help you plan the best route to travel to your destination. Compare the results with the flight time calculator to see how much longer it might take to drive the distance instead of flying. You can also print out pages with a travel map.