How far is Castle Rock, CO from Carbondale, CO?
The driving distance from Castle Rock, CO to Carbondale, CO is about 196.8 miles (316.7 km), with a travel time of about 03h 57m by car.
- The straight-line flight distance is about 125.8 miles (202.4 km).
- For a round trip, plan for roughly 07h 54m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 57m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Town in Summit County, Colorado, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Castle Rock and Carbondale.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Rock and Carbondale.
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1
Start on North Cantril Street
27 m · 8 sec · North Cantril Street
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2
Turn left onto 3rd Street
641 ft · 23 sec · 3rd Street
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3
Exit the roundabout onto 3rd Street
135 m · 18 sec · 3rd Street
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4
Turn right onto North Wilcox Street
2807 ft · 2 min · North Wilcox Street
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5
Take the ramp straight toward I 25 North
1715 ft · 42 sec
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6
Merge slight left
26.6 mi · 30 min
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7
Take the exit slight right toward US 6 West: 6th Avenue
945 ft · 23 sec
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8
Keep slight right to continue on US 6 West: 6th Avenue, Lakewood
2200 ft · 54 sec
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9
Continue on Dinosaur Diamond Prehistoric Highway
1.5 km · 2 min · Dinosaur Diamond Prehistoric Highway
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10
Keep slight left to continue on US 6
609 ft · 11 sec
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11
Merge slight left onto West 6th Avenue Freeway
7.6 mi · 9 min · West 6th Avenue Freeway
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12
Take the exit slight right toward I 70 West: Grand Junction
1.1 km · 56 sec
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13
Merge slight left
144.9 mi · 2 hr 45 min
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14
Take the exit slight right toward CO 82 East: Glenwood Springs, Aspen
747 ft · 21 sec
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15
Continue on Laurel Street
119 m · 15 sec · Laurel Street
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16
Continue on Grand Avenue
1204 ft · 45 sec · Grand Avenue
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17
Turn right onto 8th Street
2084 ft · 49 sec · 8th Street
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18
At the end of the road, turn left onto Midland Avenue
1.6 mi · 3 min · Midland Avenue
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19
Enter the roundabout and take exit 2 toward 27th Street
54 m · 3 sec · 27th Street
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20
Exit the roundabout onto 27th Street
636 ft · 13 sec · 27th Street
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21
Enter the roundabout and take exit 2 toward 27th Street
26 m · 2 sec · 27th Street
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22
Exit the roundabout onto 27th Street
692 ft · 19 sec · 27th Street
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23
Turn right onto Glen Avenue
9.8 mi · 16 min · Glen Avenue
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24
Turn right
1.1 mi · 2 min
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25
Enter the roundabout and take exit 3 toward Main Street
68 m · 3 sec · Main Street
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26
Exit the roundabout onto Main Street
2385 ft · 53 sec · Main Street
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27
Turn left onto North 4th Street
610 ft · 27 sec · North 4th Street
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28
Arrive at your destination
0 m · 1 sec · Merrill Avenue
Car Route Details
A richer read on the saved driving route between Castle Rock and Carbondale.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 70 West
Merge slight left
145 mi · 02h 45m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Castle Rock and Mostly Sunny near Carbondale.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castle Rock to Carbondale?
The road trip is about 196.8 miles (316.7 km) and usually takes 03h 57m 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 98.3 miles from Castle Rock and 98.5 miles from Carbondale.
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 71 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 9:06 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.70 one way or $51.40 round trip. Estimated CO2 is about 61.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Castle Rock and Mostly Sunny near Carbondale.
Stop Ideas Near Frisco
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Frisco.
Frisco, Colorado
Vail, Colorado
Fairplay, CO
Fraser – Winter Park
Flight Path Map
This map shows the direct air route between Castle Rock and Carbondale. Straight-line distance: 125.78 mi (202.42 km).
#1 Castle Rock
The most populous city in Douglas County, Colorado.
| Population | 70,567 |
| Coordinates | 39.3722100, -104.8560900 |
| Altitude | 1897 |
| Country | United States |
#2 Carbondale
Town of the United States
| Population | 6,729 |
| Coordinates | 39.4022100, -107.2111600 |
| Altitude | 1881 |
| Country | United States |
End: Carbondale (-107.21116, 39.40221)
Estimated Travel Time
Distance: 317 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 33m |
| 40 mph (64.37 km/h) | 04h 55m |
| 50 mph (80.47 km/h) | 03h 56m |
| 60 mph (96.56 km/h) | 03h 16m |
| 70 mph (112.65 km/h) | 02h 48m |
| 80 mph (129 km/h) | 02h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $25.70 | $51.40 |
| Mid-grade | $4.08 | $28.38 | $56.77 |
| Premium | $4.39 | $30.52 | $61.03 |
| Diesel | $4.74 | $32.92 | $65.84 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.