Is there a direct flight?

No, all flights from Watertown require at least one connection.

How long is the drive?

Expect 28 to 30 hours of driving time.

What is the best airport?

Denver International (DEN) is the only major airport serving the city.

Do I need a car in Denver?

A car is helpful for mountain trips, but downtown is very walkable and transit-friendly.

Are there tolls in Denver?

Yes, the E-470 toll road is a common route for bypassing city traffic.

Watertown

Denver

Flight Driving

Watertown to Denver

Updated: 31 May 2026

The journey from Watertown to Denver covers approximately 1,800 miles. Flying is the most practical option, typically requiring a connection through a major hub. Driving is a multi-day commitment, taking over 28 hours of transit time. You will cross the vast plains of the Midwest before reaching the base of the Rocky Mountains.

Total Distance: 2,900 km driving, 2,500 km air distance.

Fastest Way

Flying is the fastest, taking roughly 8 hours including the connection.

Cheapest Way

Driving is the most cost-effective for groups, but flying saves significant time.

Compare Watertown to Denver Routes

	Flight Connecting	Driving Direct
Duration	8 hours	28 hours
Avg Price	$550-$950	$400-$500 in fuel
Operator	United Airlines	Personal Vehicle
Route	ART to DEN via EWR or ORD.	I-81 S to I-80 W to I-76 W.
Tip	Denver International (DEN) is located about 25 miles from downtown.	Be prepared for high-altitude driving as you approach Denver.

Travel Tips

Altitude Adjustment
Drink plenty of water to help your body adjust to the high altitude of Denver.
Airport Transit
Use the A-Line commuter train to get from Denver International Airport to Union Station.
Sun Protection
The sun is stronger at higher altitudes; wear sunscreen even in winter.
Packing
Bring layers, as mountain weather can change rapidly throughout the day.
Booking
Book your flight to Denver well in advance, especially during ski season.

Safety Tips

Mountain Driving
If driving into the mountains, ensure your vehicle is equipped for steep grades and potential snow.
Hydration
Dehydration is common at high altitudes; keep water with you at all times.
Urban Safety
Stay aware of your surroundings in downtown areas, particularly near the 16th Street Mall.
Emergency Preparedness
Carry a winter emergency kit in your car if traveling during the colder months.