Denver is generally safe, but exercise standard urban precautions.

How far is the airport?

The airport is 40 km from downtown Denver.

Not for the city, but yes if you plan to visit the Rocky Mountains.

What is the best month?

September offers mild weather and fewer crowds.

Amtrak's California Zephyr stops in Denver, but it is a long journey.

Cincinnati

Denver

Flight Driving

Cincinnati to Denver

Updated: 28 May 2026

Traveling from Cincinnati to Denver covers roughly 1,900 kilometers. The most efficient route is a direct flight from CVG to Denver International Airport (DEN), which takes about 3 hours. If driving, you will follow I-70 West for nearly the entire duration, passing through Indianapolis, St. Louis, and Kansas City. This route is a straight shot across the Great Plains. Denver sits at an elevation of 1,600 meters, so prepare for altitude changes. The drive is scenic once you reach the Kansas-Colorado border.

Total Distance: Driving distance 1,900 km; straight-line air distance 1,650 km.

Fastest Way

Direct flight from CVG to DEN, taking 3 hours.

Cheapest Way

Driving is cheaper if traveling with a group of three or more people.

Compare Cincinnati to Denver Routes

	Flight Direct	Driving Direct
Duration	3 hours	18 hours
Avg Price	$180 - $500	$250 - $350 in fuel
Operator	United Airlines	Personal Vehicle
Route	CVG to DEN	I-70 W
Tip	United operates the most frequent direct flights on this route.	Stop in Kansas City for world-famous barbecue during your drive.

Travel Tips

Altitude
Drink extra water to help your body adjust to the high altitude.
Public Transit
Use the RTD A-Line train to get from the airport to Union Station for $10.
Weather
Pack layers; Denver weather can change from sunny to snowy in hours.
Sun Exposure
The sun is significantly stronger at high altitudes; wear sunglasses and SPF.
Skiing
Rent gear in Denver rather than at the resorts to save money.

Safety Tips

Mountain Driving
If driving into the mountains, ensure your brakes are in top condition.
Dehydration
Altitude sickness is real; monitor your symptoms closely.
Winter Roads
Carry tire chains if traveling through mountain passes during winter months.
Urban Safety
Stick to well-lit areas when walking downtown at night.