How long is the flight?

A direct flight takes about 3.5 hours.

Is there a train to Denver?

There is no direct passenger train from Atlanta to Denver.

What is the best way to get around?

Public transit and rideshares are excellent in the city.

You only need a car if you plan to visit the mountains.

Denver is generally safe, but use standard precautions in downtown areas.

Alpharetta

Denver

Flight Driving

Alpharetta to Denver

Updated: 28 May 2026

The trip from Alpharetta to Denver covers approximately 1,400 miles. Flying from Hartsfield-Jackson Atlanta International Airport to Denver International Airport is the most practical option, taking about 3.5 hours. Driving involves taking I-75 North to I-24 West, then I-70 West across the Great Plains. This route offers a dramatic transition from the humid Southeast to the high-altitude Rocky Mountains.

Total Distance: Driving distance 2,250 km, air distance 1,900 km.

Fastest Way

Non-stop flight from ATL to DEN.

Cheapest Way

Booking a flight on a budget carrier like Southwest.

Compare Alpharetta to Denver Routes

	Flight Direct	Driving Direct
Duration	3.5 hours	22 hours
Avg Price	$150-$400	$300-$500 in fuel
Operator	Southwest Airlines	Personal Vehicle
Route	ATL to DEN	I-75 N to I-70 W
Tip	Denver International is far from the city; use the A-Line train to reach downtown.	Be prepared for high-altitude driving and potential snow in the Rockies.

Travel Tips

Altitude
Drink extra water to adjust to the high altitude of Denver.
Sun Protection
The sun is stronger at high altitudes; wear sunscreen even in winter.
Transportation
The RTD light rail is an efficient way to get around the city.
Weather
Dress in layers as Denver weather can change quickly.
Beer Culture
Explore the local craft brewery scene in the RiNo district.

Safety Tips

Driving
Use low gears when descending mountain passes to save your brakes.
Hydration
Avoid excessive alcohol until you are acclimated to the altitude.
Emergency
Keep a blanket and water in your car during winter travel.
Navigation
Check road conditions on the CDOT website before driving into the mountains.