Is it better to rent a car in Denver?

Yes, especially if you plan to visit the mountains.

Do I need to worry about altitude sickness?

Yes, stay hydrated and take it easy.

What is the best time to visit?

Summer for hiking, winter for skiing.

Are there direct flights from Long Island?

No, you must fly from JFK, LGA, or EWR.

Selden

Denver

Flight

Selden to Denver

Updated: 31 May 2026

The distance from Selden to Denver is approximately 1,600 miles. Flying is the only practical mode of transport, with direct flights from JFK, LGA, or EWR to Denver International Airport (DEN). The flight duration is about 4.5 hours. Driving is a multi-day cross-country trip that is not recommended for a standard vacation. Once in Denver, the city is accessible via the A-Line train from the airport to Union Station.

Total Distance: 2,800 km driving distance; 2,500 km air distance.

Fastest Way

Direct flight from JFK to DEN is the fastest, taking 4.5 hours.

Cheapest Way

Booking in advance on budget airlines is the cheapest way to fly.

Compare Selden to Denver Routes

Flight

Direct

Duration

4 hours 30 mins

Avg Price

$150 - $400

Operator

United, Southwest, Delta

Route

JFK/LGA/EWR to DEN.

United has a major hub in Denver, offering many flight options.

Travel Tips

Altitude
Denver is at a high altitude; drink plenty of water to avoid altitude sickness.
Weather
The weather can change quickly; pack layers.
Transport
The A-Line train is a great way to get from the airport to downtown.
Car Rental
A car is recommended if you plan to visit the mountains.
Sun Safety
The sun is stronger at high altitudes; wear sunscreen.