Is there a direct train from Connecticut to Denver?

No, you must transfer in Chicago to reach Denver by rail.

How far is the drive from Old Lyme to Denver?

The drive is approximately 2,000 miles and takes about 30-35 hours of driving time.

What is the best airport for Denver?

Denver International Airport (DEN) is the primary hub for the region.

Do I need a car in Denver?

Not if you stay downtown, as the light rail and bus system are efficient.

What is the time difference?

Denver is in the Mountain Time Zone, two hours behind Connecticut.

Old Lyme

Denver

Train Flight

Old Lyme to Denver

Updated: 28 May 2026

Traveling from Old Lyme to Denver covers approximately 2,000 miles across the American heartland. You can fly from Bradley International Airport (BDL) to Denver International Airport (DEN) in roughly 5 hours. Alternatively, take the Amtrak Northeast Regional from Old Lyme to Boston, then transfer to the Lake Shore Limited to Chicago, and finally the California Zephyr to Denver. This rail journey takes about 50 hours but offers scenic views of the Rockies. Driving involves taking I-84 West to I-80 West, a trek spanning over 30 hours of pure driving time. Plan your route based on whether you prioritize speed or landscape appreciation.

Total Distance: Driving distance 3,200 km, straight-line air distance 2,700 km.

Fastest Way

Flight from BDL to DEN takes approximately 5 hours including layovers.

Cheapest Way

Flight from BDL is usually the cheapest option if booked during off-peak seasons.

Compare Old Lyme to Denver Routes

	Train Connecting	Flight Connecting
Duration	50 hours	5 hours
Avg Price	$300-$700	$250-$500
Operator	Amtrak	United Airlines
Route	Northeast Regional to Lake Shore Limited to California Zephyr.	BDL to DEN via Chicago or Newark.
Tip	Upgrade to a Roomette for a bed and included meals on the long-haul segments.	Book your flight at least 3 weeks in advance to secure lower fares.

Travel Tips

Hydration
Drink twice as much water as usual due to the high altitude of Denver.
Sun Protection
The sun is significantly stronger at high altitudes; wear SPF 30+ daily.
Public Transit
Use the RTD Light Rail to navigate the city without needing a rental car.
Layering
Weather changes rapidly in Colorado; always carry a light jacket even in summer.
Airport Access
The A-Line train connects Denver International Airport to Union Station in 37 minutes.

Safety Tips

Altitude Sickness
Rest for the first 24 hours to allow your body to acclimate to the thin air.
Road Conditions
If driving in winter, ensure your vehicle has snow tires or chains for mountain passes.
Emergency Prep
Keep a winter emergency kit in your car if traveling through the Rockies between October and May.
Urban Awareness
Stay alert in downtown areas at night, particularly around the 16th Street Mall.