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

The driving distance from Edgewater, CO to Castle Rock, CO is about 32.7 miles (52.6 km), with a travel time of about 00h 40m by car.

  • The straight-line flight distance is about 28.5 miles (45.9 km).
  • For a round trip, plan for roughly 01h 21m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
32.71 mi
00h 40m
Flight
28.55 mi
45.95 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Edgewater.

Flight Distance

Direct air line
28.55 mi
Kilometers
45.95 km
Flight Time
00h 03m

Driving Distance

Road route
32.71 mi
Kilometers
52.64 km
Drive Time
00h 40m

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 40m.

Arrival Snapshot
Arrive in Castle Rock
Thu, Apr 23, 4:50 AM MDT
Return by in Edgewater
Thu, Apr 23, 5:31 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Edgewater
2026-04-23T04:09
Arrive Castle Rock
Thu, Apr 23, 4:50 AM MDT
Route Timing
00h 40m
One way by road
Best Departure Window
7:00 AM to 7:00 PM MDT
Leave when it suits your day
Arrive between
7:41 AM to 7:41 PM MDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:08 PM MDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Edgewater
10:00 PM MDT
Flexible departure

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 Edgewater
16.3 mi
00h 20m
To Castle Rock
16.3 mi
00h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67°F
Thursday

Mostly Sunny then Slight Chance Rain Showers

Starts
Thu, Apr 23 6:00 AM MDT
Wind
9 to 21 mph W
Destination
63°F
Thursday

Sunny then Slight Chance Rain Showers

Starts
Thu, Apr 23 6:00 AM MDT
Wind
10 to 18 mph WNW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on West 25th Avenue

    128 m · 20 sec · West 25th Avenue

  2. 2

    Turn right onto Harlan Street

    1931 ft · 53 sec · Harlan Street

  3. 3

    Enter the roundabout and take exit 2 toward Harlan Street

    27 m · 2 sec · Harlan Street

  4. 4

    Exit the roundabout onto Harlan Street

    2595 ft · 1 min · Harlan Street

  5. 5

    Turn left onto West Colfax Avenue

    2677 ft · 1 min · West Colfax Avenue

  6. 6

    Turn right onto Sheridan Boulevard

    1 mi · 2 min · Sheridan Boulevard

  7. 7

    Turn left onto US 6 East

    1344 ft · 35 sec

  8. 8

    Merge slight left onto West 6th Avenue Freeway

    1.1 mi · 2 min · West 6th Avenue Freeway

  9. 9

    Take the exit slight right toward I 25: Fort Collins, Colorado Springs

    1 km · 59 sec

  10. 10

    Take the exit slight right toward I 25 South: Colorado Springs

    2680 ft · 1 min

  11. 11

    Merge slight left onto North Valley Highway

    26.6 mi · 30 min · North Valley Highway

  12. 12

    Take the exit slight right toward Wilcox Street, Wolfensberger Road

    1213 ft · 32 sec

  13. 13

    Turn left onto East Wolfensberger Road

    132 m · 21 sec · East Wolfensberger Road

  14. 14

    Continue on North Wilcox Street

    2093 ft · 1 min · North Wilcox Street

  15. 15

    Turn left onto 5th Street

    979 ft · 37 sec · 5th Street

  16. 16

    Turn right onto North Cantril Street

    837 ft · 29 sec · North Cantril Street

  17. 17

    Arrive at your destination

    0 m · 1 sec · North Cantril Street

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
17 steps
9 turns on the saved route
Ramps & Exits
7
2 merges, 5 ramps or exits
Navigation Density
52 / 100 mi
Decision points by distance
Main Roads
North Valley Highway
26.6 mi · 81%
West 6th Avenue Freeway
1.1 mi · 3%
Sheridan Boulevard
1.03 mi · 3%
Harlan Street
0.87 mi · 3%
I 25
0.64 mi · 2%
I 25 South
0.51 mi · 2%
Longest Stretch

North Valley Highway

Merge slight left onto North Valley Highway

26.6 mi · 00h 30m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 40m
Quick drive
Same-Day Return
01h 22m
Round-trip wheel time
Road vs Air
+4.2 mi
28.5 mi direct line
Halfway Stop
Castlewood
00h 20m from Edgewater
Leave By
7:08 PM MDT
Flexible departure
Weather Watch

Mostly Sunny then Slight Chance Rain Showers leaving Edgewater and Sunny then Slight Chance Rain Showers near Castle Rock.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 32.7 miles (52.6 km) and usually takes 00h 40m in normal driving conditions.

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

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Castlewood is a useful midpoint, sitting about 16.3 miles from Edgewater and 16.3 miles from Castle Rock.

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

The direct path is about 28.5 miles (45.9 km), while the road route adds roughly 4.2 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:08 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.25 one way or $8.51 round trip. Estimated CO2 is about 10.2 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Slight Chance Rain Showers around Edgewater and Sunny then Slight Chance Rain Showers near Castle Rock.

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 11.2 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 11.2 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 7 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 6.9 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 Edgewater and Castle Rock. Straight-line distance: 28.55 mi (45.95 km).

Edgewater

#1 Edgewater

Human settlement in Jefferson County, Colorado, United States of America

Population5,393
Coordinates39.7530400, -105.0641500
Altitude1640
CountryUnited States
Castle Rock

#2 Castle Rock

The most populous city in Douglas County, Colorado.

Population70,567
Coordinates39.3722100, -104.8560900
Altitude1897
CountryUnited States
Start: West 25th Avenue (-105.06415, 39.753007)
End: Cantril Street (-104.856315, 39.3722)

Estimated Travel Time

Distance: 53 km by road

SpeedTime
30 mph (48.3 km/h)01h 05m
40 mph (64.37 km/h)00h 49m
50 mph (80.47 km/h)00h 39m
60 mph (96.56 km/h)00h 32m
70 mph (112.65 km/h)00h 28m
80 mph (129 km/h)00h 24m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.15 gal
4.37 L · about $4.25
Round trip
$8.51
2.3 gal · 8.74 L
Estimated CO2
10.2 kg one way
Round trip: 20.4 kg / 45 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $4.25 $8.51
Mid-grade $4.08 $4.70 $9.39
Premium $4.39 $5.05 $10.10
Diesel $4.74 $5.45 $10.90

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 23, 2026

There is no time difference between Edgewater and Castle Rock. The current time is 04:09:43.

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.