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

The driving distance from Carbondale, CO to Castle Rock, CO is about 192.6 miles (309.9 km), with a travel time of about 03h 24m by car.

  • The straight-line flight distance is about 125.8 miles (202.4 km).
  • For a round trip, plan for roughly 06h 49m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
192.54 mi
03h 24m
Flight
125.78 mi
202.42 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Carbondale.

Flight Distance

Direct air line
125.78 mi
Kilometers
202.42 km
Flight Time
00h 15m

Driving Distance

Road route
192.54 mi
Kilometers
309.86 km
Drive Time
03h 24m

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 03h 24m.

Arrival Snapshot
Arrive in Castle Rock
Thu, Apr 23, 8:01 AM MDT
Return by in Carbondale
Thu, Apr 23, 11:25 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Carbondale
2026-04-23T04:36
Arrive Castle Rock
Thu, Apr 23, 8:01 AM MDT
Route Timing
03h 24m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
9:25 AM to 11:25 AM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:10 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Carbondale
9:00 PM MDT
Early departure recommended

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
Frisco
CO

Town in Summit County, Colorado, United States of America

From Carbondale
98.2 mi
01h 42m
To Castle Rock
94.3 mi
01h 42m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
59°F
Thursday

Slight Chance Snow Showers

Starts
Thu, Apr 23 6:00 AM MDT
Wind
5 to 15 mph WSW
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 Carbondale and Castle Rock.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Merrill Avenue

    10 m · 1 sec · Merrill Avenue

  2. 2

    Continue on North 4th Street

    578 ft · 28 sec · North 4th Street

  3. 3

    Turn right onto Main Street

    2382 ft · 49 sec · Main Street

  4. 4

    Enter the roundabout and take exit 1 toward the route

    5 m · 1 sec

  5. 5

    Exit the roundabout

    141 m · 10 sec

  6. 6

    Continue straight

    1.3 km · 2 min

  7. 7

    Continue straight

    741 ft · 20 sec

  8. 8

    Turn left

    9.9 mi · 16 min

  9. 9

    Turn left onto 27th Street

    693 ft · 14 sec · 27th Street

  10. 10

    Enter the roundabout and take exit 2 toward 27th Street

    26 m · 2 sec · 27th Street

  11. 11

    Exit the roundabout onto 27th Street

    621 ft · 13 sec · 27th Street

  12. 12

    Enter the roundabout and take exit 1 toward Midland Avenue

    4 m · 1 sec · Midland Avenue

  13. 13

    Exit the roundabout onto Midland Avenue

    1.6 mi · 3 min · Midland Avenue

  14. 14

    Turn right onto West 8th Street

    2084 ft · 51 sec · West 8th Street

  15. 15

    Turn left onto Grand Avenue

    1204 ft · 41 sec · Grand Avenue

  16. 16

    Continue on Laurel Street

    740 ft · 38 sec · Laurel Street

  17. 17

    Take the exit left

    824 ft · 20 sec

  18. 18

    Merge slight left

    145.3 mi · 2 hr 48 min

  19. 19

    Take the exit slight right toward US 6 East: 6th Avenue, Lakewood

    1795 ft · 44 sec

  20. 20

    Merge slight left onto West 6th Avenue Freeway

    7.9 mi · 9 min · West 6th Avenue Freeway

  21. 21

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

    1 km · 59 sec

  22. 22

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

    2680 ft · 1 min

  23. 23

    Merge slight left onto North Valley Highway

    26.6 mi · 30 min · North Valley Highway

  24. 24

    Take the exit slight right toward Wilcox Street, Wolfensberger Road

    1213 ft · 32 sec

  25. 25

    Turn left onto East Wolfensberger Road

    132 m · 21 sec · East Wolfensberger Road

  26. 26

    Continue on North Wilcox Street

    2093 ft · 1 min · North Wilcox Street

  27. 27

    Turn left onto 5th Street

    979 ft · 37 sec · 5th Street

  28. 28

    Turn right onto North Cantril Street

    837 ft · 29 sec · North Cantril Street

  29. 29

    Arrive at your destination

    0 m · 1 sec · North Cantril Street

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
29 steps
14 turns on the saved route
Ramps & Exits
14
3 merges, 11 ramps or exits
Navigation Density
15.1 / 100 mi
Decision points by distance
Main Roads
Laurel Street
146 mi · 76%
North Valley Highway
26.6 mi · 14%
West 6th Avenue Freeway
7.89 mi · 4%
Midland Avenue
1.64 mi · 1%
Main Street
1.48 mi · 1%
I 25
0.64 mi
Longest Stretch

Laurel Street

Merge slight left

145 mi · 02h 48m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 24m
Long day trip
Same-Day Return
06h 50m
Round-trip wheel time
Road vs Air
+66.8 mi
125.8 mi direct line
Halfway Stop
Frisco
01h 42m from Carbondale
Leave By
10:10 AM MDT
Early departure recommended
Weather Watch

Slight Chance Snow Showers leaving Carbondale 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 Carbondale to Castle Rock?

The road trip is about 192.6 miles (309.9 km) and usually takes 03h 24m in normal driving conditions.

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

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Frisco is a useful midpoint, sitting about 98.2 miles from Carbondale and 94.3 miles from Castle Rock.

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

The direct path is about 125.8 miles (202.4 km), while the road route adds roughly 66.8 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 10:10 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $25.11 one way or $50.22 round trip. Estimated CO2 is about 60.3 kg one way.

What should you check before leaving?

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

Stop Ideas Near Frisco

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

Mid-route Guidance
Local place coverage is thin around Frisco, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

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

BUS

Frisco, Colorado

1 mi away
1010 Meadow Drive
BUS

Vail, Colorado

22 mi away
241 South Frontage Road East
BUS

Fairplay, CO

40 mi away
620 US Highway 285
RAIL

Fraser – Winter Park

48 mi away
205 Fraser Avenue

Flight Path Map

This map shows the direct air route between Carbondale and Castle Rock. Straight-line distance: 125.78 mi (202.42 km).

Carbondale

#1 Carbondale

Town of the United States

Population6,729
Coordinates39.4022100, -107.2111600
Altitude1881
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: Merrill Avenue (-107.21126, 39.402204)
End: Cantril Street (-104.856315, 39.3722)

Estimated Travel Time

Distance: 310 km by road

SpeedTime
30 mph (48.3 km/h)06h 24m
40 mph (64.37 km/h)04h 48m
50 mph (80.47 km/h)03h 51m
60 mph (96.56 km/h)03h 12m
70 mph (112.65 km/h)02h 45m
80 mph (129 km/h)02h 24m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.79 gal
25.72 L · about $25.11
Round trip
$50.22
13.58 gal · 51.44 L
Estimated CO2
60.3 kg one way
Round trip: 120.7 kg / 266 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $25.11 $50.22
Mid-grade $4.08 $27.73 $55.46
Premium $4.39 $29.81 $59.63
Diesel $4.74 $32.16 $64.33

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 Carbondale and Castle Rock. The current time is 04:36:21.

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.