How far is Fort Carson, CO from Castle Rock, CO?
The driving distance from Fort Carson, CO to Castle Rock, CO is about 51.2 miles (82.4 km), with a travel time of about 00h 58m by car.
- The straight-line flight distance is about 44 miles (70.8 km).
- For a round trip, plan for roughly 01h 57m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
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.
This route works well as a day trip with time at the destination.
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 00h 58m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Fort Carson and Castle Rock.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fort Carson and Castle Rock.
-
1
Start on Prussman Avenue
640 ft · 24 sec · Prussman Avenue
-
2
Turn right onto Chiles Avenue
2344 ft · 1 min · Chiles Avenue
-
3
Turn left onto Nelson Boulevard
2262 ft · 1 min · Nelson Boulevard
-
4
Enter the roundabout and take exit 2 toward Nelson Boulevard
43 m · 4 sec · Nelson Boulevard
-
5
Exit the roundabout onto Nelson Boulevard
818 ft · 22 sec · Nelson Boulevard
-
6
Take the ramp straight
1029 ft · 25 sec
-
7
Merge slight left
5.3 mi · 9 min
-
8
Turn left onto I 25 North, US 24 West: Denver
609 ft · 14 sec
-
9
Take the ramp straight toward I 25 North, US 24 West: Denver
1448 ft · 35 sec
-
10
Merge slight left onto Monument Valley Freeway
7.7 mi · 9 min · Monument Valley Freeway
-
11
Continue on Ronald Reagan Highway
32.5 mi · 33 min · Ronald Reagan Highway
-
12
Take the exit slight right toward Plum Creek Parkway
1960 ft · 52 sec
-
13
Turn right onto West Plum Creek Parkway
719 ft · 29 sec · West Plum Creek Parkway
-
14
Turn left onto South Wilcox Street
1431 ft · 49 sec · South Wilcox Street
-
15
Enter the roundabout and take exit 2 toward North Wilcox Street
16 m · 1 sec · North Wilcox Street
-
16
Exit the roundabout onto North Wilcox Street
1123 ft · 42 sec · North Wilcox Street
-
17
Turn right onto 3rd Street
105 m · 11 sec · 3rd Street
-
18
Exit the roundabout onto 3rd Street
728 ft · 25 sec · 3rd Street
-
19
Turn right onto North Cantril Street
27 m · 3 sec · North Cantril Street
-
20
Arrive at your destination
0 m · 1 sec · North Cantril Street
Car Route Details
A richer read on the saved driving route between Fort Carson and Castle Rock.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Ronald Reagan Highway
Continue on Ronald Reagan Highway
32.5 mi · 00h 33m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Fort Carson and Sunny near Castle Rock.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fort Carson to Castle Rock?
The road trip is about 51.2 miles (82.4 km) and usually takes 00h 58m 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?
Gleneagle is a useful midpoint, sitting about 24.4 miles from Fort Carson and 26.8 miles from Castle Rock.
How much longer is the road route than the straight-line distance?
The direct path is about 44 miles (70.8 km), while the road route adds roughly 7.2 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 4:32 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.69 one way or $13.39 round trip. Estimated CO2 is about 16.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Fort Carson and Sunny near Castle Rock.
Stop Ideas Near Gleneagle
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 Gleneagle.
Colorado Springs, Colorado
Pine Junction, CO
Denver (Bus Station), Colorado
Union Station
Flight Path Map
This map shows the direct air route between Fort Carson and Castle Rock. Straight-line distance: 44.01 mi (70.82 km).
#1 Fort Carson
United States Army installation
| Population | 13,813 |
| Coordinates | 38.7374900, -104.7888600 |
| Altitude | 1780 |
| Country | United States |
#2 Castle Rock
The most populous city in Douglas County, Colorado.
| Population | 70,567 |
| Coordinates | 39.3722100, -104.8560900 |
| Altitude | 1897 |
| Country | United States |
End: Cantril Street (-104.856315, 39.3722)
Estimated Travel Time
Distance: 82 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 42m |
| 40 mph (64.37 km/h) | 01h 16m |
| 50 mph (80.47 km/h) | 01h 01m |
| 60 mph (96.56 km/h) | 00h 51m |
| 70 mph (112.65 km/h) | 00h 43m |
| 80 mph (129 km/h) | 00h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $6.69 | $13.39 |
| Mid-grade | $4.08 | $7.39 | $14.78 |
| Premium | $4.39 | $7.95 | $15.90 |
| Diesel | $4.74 | $8.57 | $17.15 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.