How far is Castle Rock, CO from Berkley, CO?

The driving distance from Castle Rock, CO to Berkley, CO is about 36.4 miles (58.6 km), with a travel time of about 00h 46m by car.

  • The straight-line flight distance is about 31.2 miles (50.2 km).
  • For a round trip, plan for roughly 01h 33m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
36.42 mi
00h 46m
Flight
31.21 mi
50.22 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Castle Rock.

Flight Distance

Direct air line
31.21 mi
Kilometers
50.22 km
Flight Time
00h 03m

Driving Distance

Road route
36.42 mi
Kilometers
58.62 km
Drive Time
00h 46m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 00h 46m.

Arrival Snapshot
Arrive in Berkley
Sat, Apr 18, 12:45 AM MDT
Return by in Castle Rock
Sat, Apr 18, 1:32 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Castle Rock
2026-04-17T23:59
Arrive Berkley
Sat, Apr 18, 12:45 AM MDT
Route Timing
00h 46m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
8:47 AM to 10:47 AM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:56 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Castle Rock
9:30 PM MDT
Morning start is best

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Castlewood
CO

City in Hamlin County, South Dakota, United States

From Castle Rock
18.2 mi
00h 23m
To Berkley
18.2 mi
00h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
46°F
Friday

Snow Showers

Starts
Fri, Apr 17 6:00 AM MDT
Wind
7 to 20 mph NNW
Destination
42°F
Friday

Snow Showers

Starts
Fri, Apr 17 6:00 AM MDT
Wind
7 to 14 mph NNE

Driving Route Map

The map below follows the saved road route between Castle Rock and Berkley.

Turn-by-Turn Driving Directions

Step-by-step road directions between Castle Rock and Berkley.

  1. 1

    Start on North Cantril Street

    27 m · 8 sec · North Cantril Street

  2. 2

    Turn left onto 3rd Street

    641 ft · 23 sec · 3rd Street

  3. 3

    Exit the roundabout onto 3rd Street

    135 m · 18 sec · 3rd Street

  4. 4

    Turn right onto North Wilcox Street

    2807 ft · 2 min · North Wilcox Street

  5. 5

    Take the ramp straight toward I 25 North

    1715 ft · 42 sec

  6. 6

    Merge slight left

    30.6 mi · 36 min

  7. 7

    Take the exit slight right toward I 70: Limon, Grand Junction

    919 ft · 19 sec

  8. 8

    Continue on Grand Army of the Republic Highway

    1 km · 43 sec · Grand Army of the Republic Highway

  9. 9

    Take the exit slight left toward I 70 West: Grand Junction

    1.3 km · 1 min

  10. 10

    Merge slight left

    1.2 mi · 2 min

  11. 11

    Take the exit slight right toward US 287: Federal Boulevard

    829 ft · 20 sec

  12. 12

    Turn right onto Federal Boulevard

    1.6 mi · 3 min · Federal Boulevard

  13. 13

    Continue on Federal Boulevard

    1099 ft · 27 sec · Federal Boulevard

  14. 14

    Arrive at your destination

    0 m · 1 sec · Federal Boulevard

Car Route Details

A richer read on the saved driving route between Castle Rock and Berkley.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
14 steps
4 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
38.5 / 100 mi
Decision points by distance
Main Roads
I 25 North
30.9 mi · 85%
I 70 West
2.01 mi · 6%
Federal Boulevard
1.79 mi · 5%
Grand Army of the Republic Highway
0.62 mi · 2%
North Wilcox Street
0.53 mi · 1%
3rd Street
0.21 mi · 1%
Longest Stretch

I 25 North

Merge slight left

30.6 mi · 00h 36m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
00h 46m
Day trip friendly
Same-Day Return
01h 34m
Round-trip wheel time
Road vs Air
+5.2 mi
31.2 mi direct line
Halfway Stop
Castlewood
00h 23m from Castle Rock
Leave By
4:56 PM MDT
Morning start is best
Weather Watch

Snow Showers leaving Castle Rock and Snow Showers near Berkley.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Castle Rock to Berkley?

The road trip is about 36.4 miles (58.6 km) and usually takes 00h 46m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Castlewood is a useful midpoint, sitting about 18.2 miles from Castle Rock and 18.2 miles from Berkley.

How much longer is the road route than the straight-line distance?

The direct path is about 31.2 miles (50.2 km), while the road route adds roughly 5.2 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 4:56 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.77 one way or $9.54 round trip. Estimated CO2 is about 11.5 kg one way.

What should you check before leaving?

Before you leave, expect Snow Showers around Castle Rock and Snow Showers near Berkley.

Stop Ideas Near Castlewood

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Castlewood and the surrounding midpoint area.
Fairplay Park
Scenic stop 9.9 mi away

Fairplay Park

Aurora , CO
2200 Altura Blvd, Aurora, CO 80011
Rating 4.2/5 125 reviews Tourist attraction,Park
Denver City Council
Meeting point 9.3 mi away

Denver City Council

Denver , CO
1437 Bannock St rm 451, Denver, CO 80202
Rating 3.6/5 92 reviews City government office,County government office
Town Hall Arts Center
Nearby stop 6.2 mi away

Town Hall Arts Center

Littleton , CO
2450 Main St, Littleton, CO 80120
Rating 4.7/5 204 reviews Performing arts theater,Art gallery
City of Littleton
Scenic stop 6 mi away

City of Littleton

Littleton , CO
2255 W Berry Ave, Littleton, CO 80165
Rating 5.0/5 1 reviews City government office,Local government office,Museum

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Castlewood.

BUS

Denver (Bus Station), Colorado

20 mi away
1055 19th Street
RAIL

Union Station

21 mi away
1701 Wynkoop Street
BUS

Pine Junction, CO

44 mi away
76 Mount Evans Boulevard
BUS

Boulder, Colorado

62 mi away
30th & Diagonal Highway

Flight Path Map

This map shows the direct air route between Castle Rock and Berkley. Straight-line distance: 31.21 mi (50.22 km).

Castle Rock

#1 Castle Rock

The most populous city in Douglas County, Colorado.

Population70,567
Coordinates39.3722100, -104.8560900
Altitude1897
CountryUnited States
Berkley

#2 Berkley

Census designated place

Population11,207
Coordinates39.8044300, -105.0260900
Altitude1589
CountryUnited States
Start: Castle Rock (-104.85609, 39.37221)
End: Berkley (-105.02609, 39.80443)

Estimated Travel Time

Distance: 59 km by road

SpeedTime
30 mph (48.3 km/h)01h 12m
40 mph (64.37 km/h)00h 54m
50 mph (80.47 km/h)00h 43m
60 mph (96.56 km/h)00h 36m
70 mph (112.65 km/h)00h 31m
80 mph (129 km/h)00h 27m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.29 gal
4.87 L · about $4.77
Round trip
$9.54
2.58 gal · 9.74 L
Estimated CO2
11.5 kg one way
Round trip: 22.9 kg / 50 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $4.77 $9.54
Mid-grade $4.08 $5.27 $10.54
Premium $4.39 $5.66 $11.33
Diesel $4.74 $6.11 $12.22

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Colorado · Apr 18, 2026

There is no time difference between Castle Rock and Berkley. The current time is 23:59:01.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.