Driving distance from Allentown, PA to Castle Rock, CO is 1685 miles (2712 km). How far is it from Allentown, PA to Castle Rock, CO? It's a 26 hours 09 minutes drive by car. Flight distance is approximately 1551 miles (2496 km) and flight time from Allentown, PA to Castle Rock, CO is 03 hours 07 minutes. Don't forget to check out our "Gas cost calculator" option. It will calculate cost of driving this particular distance. See the map below for the visual display of the upcoming road trip.
To travel the distance from Allentown, PA to Castle Rock, CO, please, click on the map to see the route for the journey. "Gas Cost Calculator" tool is to your right. You can always modify it and make the number more applicable for your journey.
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