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Trip from Frederick, CO to Castle Rock, CO

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards

Drive Time

1h 12m

Distance

57.3 mi

92 km

Drive Score

7/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$9

one way

EV Charging

Unknown

Best Time to Leave

Save up to 17 min
4 AM
1h 7m ★
6 AM
1h 12m
8 AM
1h 24m
10 AM
1h 16m
12 PM
1h 15m
3 PM
1h 17m
5 PM
1h 23m
8 PM
1h 9m

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

town in Weld County, Colorado, United States

Frederick, CO

Wikimedia Commons

county seat of Douglas County, Colorado, United States

Castle Rock, CO

Wikimedia Commons

Trip Overview

Spanning 70.5 miles across Colorado's Mountain West, this trip from Frederick to Castle Rock is a straightforward journey typically taking about 1 hour and 7 minutes. Since this is a local drive, you can easily complete the entire trek in a single day, making it an ideal choice for a quick excursion. Budgeting approximately $10 for fuel should be sufficient for the round trip depending on your vehicle's efficiency. You will navigate primarily through local roads, including Locust Street, 5th Street, and Colorado Boulevard, rather than relying on major interstates. Because this route stays within the Mountain West region, you will notice a consistent regional character from start to finish. It is a practical, no-fuss option for travelers looking to get between these two points without the complexity of a multi-day itinerary.

Main Roads

Road Distance Duration
North Valley Highway 45.5 mi 54m
Dwight D. Eisenhower Highway 7 mi 7m
CO 52 2.1 mi 3m
Colorado Boulevard 0.8 mi 1m
5th Street 0.5 mi 1m
North Wilcox Street 0.4 mi 1m
North Cantril Street 0.2 mi <1m
East Wolfensberger Road <0.1 mi <1m
Longest stretch: North Valley Highway — 45.5 mi, about 54m

Turn-by-Turn Driving Directions

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

1

Start on this road

175 ft · 14 sec · this road
2

Turn right onto Locust Street

168 ft · 9 sec · Locust Street
3

Turn right onto 5th Street

0.3 mi · 1 min · 5th Street
4

Enter roundabout onto Colorado Boulevard

252 ft · 10 sec · Colorado Boulevard
5

Continue on Colorado Boulevard

0.5 mi · 51 sec · Colorado Boulevard
6

Enter roundabout onto Colorado Boulevard

177 ft · 3 sec · Colorado Boulevard
7

Continue on Colorado Boulevard

0.2 mi · 17 sec · Colorado Boulevard
8

Turn slight right

293 ft · 10 sec
9

Turn straight onto CO 52

2.1 mi · 3 min · CO 52
Use the straight lane.
10

Turn left

0.4 mi · 52 sec
Toward I 25 South: Denver Use the left lane.
11

Merge onto I 25

7.0 mi · 7 min · Dwight D. Eisenhower Highway
Use the straight / slight right lanes.
12

Continue on I 25

0.6 mi · 36 sec · North Valley Highway
13

Keep slight right at fork onto I 25

8.8 mi · 10 min · North Valley Highway
Use the straight / slight right lanes.
14

Keep slight right at fork onto I 25

36 mi · 43 min · North Valley Highway
Use the straight / slight left lanes.
15

Take the exit

0.2 mi · 31 sec
Exit 182 Toward Wilcox Street, Wolfensberger Road Use the straight / slight right lanes.
16

Turn left onto East Wolfensberger Road

432 ft · 20 sec · East Wolfensberger Road
Use the left / straight / right lanes.
17

Continue on North Wilcox Street

0.4 mi · 1 min · North Wilcox Street
18

Turn left onto 5th Street

0.2 mi · 37 sec · 5th Street
Use the left lane.
19

Turn right onto North Cantril Street

0.2 mi · 28 sec · North Cantril Street
20

Arrive at destination

North Cantril Street

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

consolidated city-county and capital of Colorado, United States

Mid-route town

Meal stop

Denver, CO

29 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Northglenn, CO

Fuel and coffee

A short stop after about 13 miles helps settle the day before fatigue starts building.

Denver, CO

Meal break

The midpoint is around 28.6 miles from Frederick, CO, which is a good place for a longer meal and fuel stop.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Heads-up: tricky spots

5 of 13

5 decision points cluster between mile 3.2 and 56.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

6
3.2 mi into trip | ~6m in

Turn left toward I 25 South: Denver

Lane positioning matters here

Use the left lane. Toward I 25 South: Denver
6
11.3 mi into trip | ~15m in | I 25 / North Valley Highway

Keep slight right at fork onto I 25 / North Valley Highway

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight right lanes.
6
20.1 mi into trip | ~25m in | I 25 / North Valley Highway

Keep slight right at fork onto I 25 / North Valley Highway

Highway fork - watch signs carefully. Lane positioning matters here

Use the straight / slight left lanes.
8
56.2 mi into trip | ~1h 9m in

Take the exit toward Wilcox Street, Wolfensberger Road

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Exit 182 Toward Wilcox Street, Wolfensberger Road
6
56.9 mi into trip | ~1h 11m in | 5th Street

Turn left onto 5th Street

Lane positioning matters here

Use the left lane.

Fuel & Cost

Regular Gas

$8.63 one way

$17.27 round trip

$3.83/gal 25.4 MPG avg 20 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.05 $9.14 $18.28
premium $4.39 $9.91 $19.82
diesel $5.61 $12.65 $25.30

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$9

Estimated CO2 emission: 20 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $6 in charging · 0 stops · 65% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 17.2 0 $6.02 $2.75
Efficient EV 14.3 0 $5.01 $2.29
EV Truck/SUV 22.9 0 $8.02 $3.67

Gas CO2

20 kg

EV CO2

7 kg (65% 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 20, 2026

Origin

Frederick, CO

Late night in Frederick on Tuesday

Local time

3:08 AM

MDT

Current temp

54°F

Unavailable

Live forecast

Destination

Castle Rock, CO

Late night in Castle Rock on Tuesday

Local time

3:08 AM

MDT

Current temp

55°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

1 degrees warmer at arrival

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

Road read

1h 12m 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.

What kind of drive is this?

Expect a turn-heavy local drive rather than a monotonous interstate grind, as this route features a 0% highway share. You will navigate through various local corridors, meaning your focus will be on maneuverability rather than high-speed cruising. The longest stretch you will encounter is 0 miles on Locust Street, highlighting the frequent turns and shifts in direction required to complete the journey. Behind the wheel, this means you should prepare for a more engaged driving experience that prioritizes navigating city streets over open-road travel. The road's personality is defined by its local nature, requiring you to remain alert as you transition between the various streets that make up this 70.5-mile path.

Only 4% highway — the rest is turn-by-turn surface driving.
20 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 45.5 mi on North Valley Highway.

How Hard Is This Drive?

8/10

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 3.2 miles in.

Driving Effort 8/10

Demanding - plan breaks and stay ahead of the key maneuvers

Balances navigation complexity with total wheel time.

This drive requires moderate attention. Across 57.3 miles you will encounter 13 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: at 3.2 miles: Lane positioning matters here; at 11.3 miles (I 25 / North Valley Highway): Highway fork - watch signs carefully. Lane positioning matters here; at 20.1 miles (I 25 / North Valley Highway): Highway fork - watch signs carefully. Lane positioning matters here.

About the Cities

Arriving in Castle Rock, CO

Full guide →

Castle Rock is a town of about 81,000 in the Denver Metropolitan Area of the western U.S. state of Colorado. The seat of Douglas County, the town lies 26 miles (42 km) south-southeast of Denver.

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 1h 12m. Total distance: 57.3 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

1h 12m drive, comfortable solo distance.

EV Driver

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

Scenic Drive

Mostly surface roads route profile.

Frequently Asked Questions

The longest stretch is about 45.5 miles on North Valley Highway. The full list of main roads is in the Roads section above.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Castle Rock, CO before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

The main spots that need attention: at 3.2 miles: Lane positioning matters here; at 11.3 miles (I 25 / North Valley Highway): Highway fork - watch signs carefully. Lane positioning matters here; at 20.1 miles (I 25 / North Valley Highway): Highway fork - watch signs carefully. Lane positioning matters here.

Yes. A round trip is manageable in a single day if you plan a break at Castle Rock, CO before heading back.

How this page is built

Compiled by the US Trip Planner 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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