What is the best time to visit?

Summer for hiking and winter for skiing are the most popular times.

Is the train ride worth it?

Yes, the California Zephyr is considered one of the most scenic train routes in the world.

How long is the flight?

A direct flight from Chicago to Denver is approximately 2.5 hours.

North Riverside

Denver

Train Flight

North Riverside to Denver

Updated: 29 May 2026

The journey from North Riverside to Denver covers approximately 1,600 kilometers. You can fly from O'Hare to Denver International Airport in 2.5 hours. Alternatively, the Amtrak California Zephyr offers one of the most scenic train rides in the country from Chicago Union Station. Denver is the gateway to the Rocky Mountains, offering outdoor activities and a vibrant downtown. The city is best explored by a combination of light rail and walking. Prepare for high altitude and changing mountain weather.

Total Distance: 1,600 km driving distance, 1,450 km straight-line air distance.

Fastest Way

A direct flight from O'Hare to Denver International Airport takes 2.5 hours.

Cheapest Way

Booking Amtrak coach seats or budget flights in advance is the most affordable option.

Compare North Riverside to Denver Routes

	Train Direct	Flight Direct
Duration	18 hours	2 hours 30 mins
Avg Price	150-400 dollars	100-300 dollars
Operator	Amtrak California Zephyr	United Airlines
Route	Chicago Union Station to Denver Union Station	ORD to DEN
Tip	The train ride through the Rockies is spectacular; book a roomette.	The A-Line train connects the airport to Union Station in 37 minutes.

Travel Tips

Altitude
Drink plenty of water to help your body adjust to the high altitude.
Sun Protection
The sun is stronger at high altitudes; wear sunscreen and sunglasses.
Light Rail
Use the RTD light rail system to get around the city and to the airport.
Weather
Pack layers, as mountain weather can change rapidly throughout the day.
Outdoor Gear
Rent gear if you plan on skiing or hiking in the nearby mountains.

Safety Tips

Hydration
Dehydration is common at high altitudes; keep a water bottle with you.
Mountain Safety
Check trail conditions before hiking and stay on marked paths.
Driving
Be cautious on mountain roads, especially during winter snowstorms.
Emergency
Dial 911 for any urgent assistance needed in the city or mountains.