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Trip from Boulder, CO to Frederick, CO

Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards

Drive Time

38m

Distance

22.1 mi

36 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$3

one way

EV Charging

Unknown

Best Time to Leave

Save up to 10 min
4 AM
0h 35m ★
6 AM
0h 38m
8 AM
0h 45m
10 AM
0h 40m
12 PM
0h 40m
3 PM
0h 41m
5 PM
0h 44m
8 PM
0h 36m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

city in and county seat of Boulder County, Colorado, United States

Boulder, CO

Wikimedia Commons

town in Weld County, Colorado, United States

Frederick, CO

Wikimedia Commons

Trip Overview

The drive from Boulder, CO to Frederick, CO covers 22.1 miles and takes about 38m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on Mineral Road, Diagonal Highway, Foothills Parkway for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 13.2 miles on Mineral Road. At current regular gas prices, budget about $3.33 one way before food or hotel costs.

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 38m. Total distance: 22.1 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

38m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (11%). Some complex stretches to watch for.

Scenic Drive

Turn-heavy local drive route profile.

Drive Character

Expect a 38m drive with frequent turns across 22.1 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.
There are about 15 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Mineral Road is the longest continuous segment at about 13.2 miles.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 10 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near Arapahoe Avenue.

Driving Effort 5/10

Moderate - straightforward overall, but long enough or busy enough to require pacing

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 22.1 miles you will encounter 10 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

Where does it get tricky?

The main spots that need attention: near the start (Arapahoe Avenue): Lane positioning matters here; at 7.9 miles (CO 52 / Mineral Road): Lane positioning matters here; at 21.3 miles (Colorado Boulevard): Roundabout - know your exit number before entering.

Critical Maneuvers

5 of 10 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

6
0 mi into trip | ~0m in | Arapahoe Avenue

Turn left onto Arapahoe Avenue

Lane positioning matters here

Use the left / straight / right lanes.
6
7.9 mi into trip | ~13m in | CO 52 / Mineral Road

Turn right onto CO 52 / Mineral Road

Lane positioning matters here

Use the straight lane.
5
21.3 mi into trip | ~35m in | Colorado Boulevard

Enter roundabout onto Colorado Boulevard

Roundabout - know your exit number before entering

5
22.1 mi into trip | ~37m in

Turn left

Navigation decision point

6
22.1 mi into trip | ~38m in

At end of road, turn right

Complex interchange - multiple decisions in a short stretch

Main Roads

Road Distance Duration
Mineral Road 13.2 mi 22m
Diagonal Highway 3.7 mi 5m
Foothills Parkway 2.5 mi 3m
Arapahoe Avenue 1.6 mi 3m
Colorado Boulevard 0.7 mi 1m
5th Street 0.3 mi 1m
19th Street <0.1 mi <1m
Longest stretch: Mineral Road — 13.2 mi, about 22m

Turn-by-Turn Driving Directions

Step-by-step road directions between Boulder, CO and Frederick, CO.

1

Start on this road

87 ft · 6 sec · this road
2

Turn right onto 19th Street

143 ft · 13 sec · 19th Street
3

Turn left onto Arapahoe Avenue

1.6 mi · 3 min · Arapahoe Avenue
Use the left / straight / right lanes.
4

Turn left onto CO 157

2.5 mi · 3 min · Foothills Parkway
Use the left lane.
5

Continue on CO 119

3.7 mi · 5 min · Diagonal Highway
Use the straight lane.
6

Turn right onto CO 52

13 mi · 22 min · Mineral Road
Use the straight lane.
7

Turn left onto Colorado Boulevard

0.2 mi · 27 sec · Colorado Boulevard
Use the left lane.
8

Enter roundabout onto Colorado Boulevard

196 ft · 4 sec · Colorado Boulevard
9

Continue on Colorado Boulevard

0.5 mi · 51 sec · Colorado Boulevard
10

Enter roundabout onto 5th Street

15 ft · 0 sec · 5th Street
11

Continue on 5th Street

0.2 mi · 1 min · 5th Street
12

Turn left

90 ft · 7 sec
13

Turn right

108 ft · 10 sec
14

At end of road, turn right

46 ft · 3 sec
15

Arrive at destination

Fuel & Cost

Regular Gas

$3.33 one way

$6.66 round trip

$3.83/gal 25.4 MPG avg 8 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.05 $3.53 $7.05
premium $4.39 $3.82 $7.65
diesel $5.61 $4.88 $9.76

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$3

Estimated CO2 emission: 7.7 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $2 in charging · 0 stops · 63% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 6.6 0 $2.32 $1.06
Efficient EV 5.5 0 $1.93 $0.88
EV Truck/SUV 8.8 0 $3.09 $1.41

Gas CO2

8 kg

EV CO2

3 kg (63% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 15, 2026

Origin

Boulder, CO

Morning in Boulder on Saturday

Local time

8:51 AM

MDT

Current temp

72°F

Unavailable

Live forecast

Destination

Frederick, CO

Morning in Frederick on Saturday

Local time

8:51 AM

MDT

Current temp

46°F

Unavailable

Live forecast

Time zone

Same local time

Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.

Temperature spread

26 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

38m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Boulder, CO to Frederick, CO covers 22.1 miles and takes about 38m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are Mineral Road, Diagonal Highway, Foothills Parkway. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 11.1 miles from Boulder, CO. Look for rest areas, gas stations, or food options near the halfway mark.

At current regular gas prices, expect to spend about $3.33 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.

Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.

This drive requires moderate attention. Across 22.1 miles you will encounter 10 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.

The main spots that need attention: near the start (Arapahoe Avenue): Lane positioning matters here; at 7.9 miles (CO 52 / Mineral Road): Lane positioning matters here; at 21.3 miles (Colorado Boulevard): Roundabout - know your exit number before entering.

The route from Boulder, CO to Frederick, CO does not surface many named destination signs beyond the main corridor.

How this page is built

Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.

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