How far is it from Frederick, CO to Boulder, CO?

The distance between Frederick, CO and Boulder, CO is 20 mi by road.

How long does it take to drive from Frederick, CO to Boulder, CO?

The drive from Frederick, CO to Boulder, CO takes approximately 35 min by car.

The fastest route from Frederick, CO to Boulder, CO covers 20 mi with a driving time of approximately 35 min.

Boulder, CO lies roughly to the west of Frederick, CO.

Distance: 20 miDuration: 35 min

Driving from Frederick, CO to Boulder, CO takes about 35 min via CO 52. The distance is 20 mi. The straight-line distance is 17 mi. Driving directions

Driving directions15 · 20 mi

The return trip from Boulder, CO to Frederick, CO covers roughly the same distance, 20 mi.

No notable attractions were found along this route.

Distance and drive time are computed from OpenStreetMap road data with the OSRM routing engine. Updated 5 November 2026.

How far is it from Frederick, CO to Boulder, CO?: The distance between Frederick, CO and Boulder, CO is 20 mi by road.
How long does it take to drive from Frederick, CO to Boulder, CO?: The drive from Frederick, CO to Boulder, CO takes approximately 35 min by car.
What is the best route from Frederick, CO to Boulder, CO?: The fastest route from Frederick, CO to Boulder, CO covers 20 mi with a driving time of approximately 35 min.
Which direction is Boulder, CO from Frederick, CO?: Boulder, CO lies roughly to the west of Frederick, CO.