Amtrak offers service, but it is very slow compared to flying.

How long is the flight?

The flight time is about 3 hours.

Downtown is walkable, but you will need a car for other areas.

What is the best airport?

Denver International (DEN) is the primary airport.

Yes, there are some tolls on the route.

Greenfield

Denver

Flight Driving

Greenfield to Denver

Updated: 31 May 2026

The journey from Greenfield to Denver is approximately 1,700 kilometers. Driving takes about 16 to 18 hours, primarily via I-70 West. Alternatively, you can fly from Indianapolis International Airport (IND) to Denver International Airport (DEN), which takes about 3 hours in the air. Flying is the most practical option for this distance.

Total Distance: 1,700 km driving distance; 1,500 km straight-line air distance.

Fastest Way

Flying from Indianapolis International Airport is the fastest way to reach Denver.

Cheapest Way

Driving is cheaper for groups, while flying is more efficient for individuals.

Compare Greenfield to Denver Routes

	Flight Direct	Driving Direct
Duration	3 hours	17 hours
Avg Price	$200-$400	$200-$250 in fuel
Operator	United Airlines	Personal Vehicle
Route	IND to DEN	I-70 W
Tip	Book in advance for the best rates.	Plan for at least one overnight stop.

Travel Tips

Airport Parking
Use the economy lot at IND to save money.
Traffic
Expect heavy traffic on all major highways into Denver.
Public Transit
Use the light rail system to navigate Denver; it is very efficient.
Dining
Try the local craft beer scene.
Navigation
Use a GPS to navigate the complex street system in Denver.