Denver to Boulder

via I-70

40 min
Drive Time
30
Miles
$3
Gas Cost
$0
Tolls
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Trip Details

Distance30 miles (48 km)
Drive Time40 min
RouteI-70
Best TimeLate evening (8-10 PM)

Fuel Costs

Gas (30 mpg)~1.0 gallons
Est. Cost$3

Frequently Asked Questions

How long does it take to drive from Denver to Boulder?
The drive from Denver to Boulder takes approximately 40 min covering 30 miles via I-70. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Denver to Boulder?
At 30 MPG and $3.50/gallon, expect to spend approximately $3 on gas for this 30-mile trip. You'll need about 1.0 gallons of fuel.
What is the best time to drive from Denver to Boulder?
Late evening (8-10 PM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Denver to Boulder route?
This route is primarily toll-free, though some bridges or tunnels may have small fees.