How far is Brush, CO from Castle Rock, CO?
The driving distance from Brush, CO to Castle Rock, CO is about 121.9 miles (196.1 km), with a travel time of about 01h 51m by car.
- The straight-line flight distance is about 89.6 miles (144.2 km).
- For a round trip, plan for roughly 03h 42m 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 01h 51m.
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.
Statutory Town in Weld County, Colorado, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Snow Showers
Slight Chance Snow Showers
Driving Route Map
The map below follows the saved road route between Brush and Castle Rock.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brush and Castle Rock.
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1
Start on Clayton Street
56 m · 12 sec · Clayton Street
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2
Turn left onto West Emerson Street
127 m · 26 sec · West Emerson Street
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3
Turn left onto Colorado Avenue
1.2 km · 2 min · Colorado Avenue
-
4
Take the ramp left
1550 ft · 38 sec
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5
Merge slight left
70.8 mi · 1 hr 11 min
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6
Take the exit slight right toward E470 Toll South: Limon
1.6 km · 2 min
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7
Merge slight left onto E-470
35.1 mi · 35 min · E-470
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8
Take the exit slight right toward I 25: Denver, Colorado Springs
1106 ft · 27 sec
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9
Keep slight left to continue on I 25 South: Colorado Springs
1.2 km · 1 min
-
10
Merge slight left
11.7 mi · 12 min
-
11
Take the exit slight right toward Wilcox Street, Wolfensberger Road
1213 ft · 32 sec
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12
Turn left onto East Wolfensberger Road
132 m · 21 sec · East Wolfensberger Road
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13
Continue on North Wilcox Street
2093 ft · 1 min · North Wilcox Street
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14
Turn left onto 5th Street
979 ft · 37 sec · 5th Street
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15
Turn right onto North Cantril Street
837 ft · 29 sec · North Cantril Street
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16
Arrive at your destination
0 m · 1 sec · North Cantril Street
Car Route Details
A richer read on the saved driving route between Brush and Castle Rock.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Colorado Avenue
Merge slight left
70.8 mi · 01h 11m
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 then Slight Chance Snow Showers leaving Brush and Slight Chance Snow Showers near Castle Rock.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Brush to Castle Rock?
The road trip is about 121.9 miles (196.1 km) and usually takes 01h 51m 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?
Hudson is a useful midpoint, sitting about 60.8 miles from Brush and 61 miles from Castle Rock.
How much longer is the road route than the straight-line distance?
The direct path is about 89.6 miles (144.2 km), while the road route adds roughly 32.3 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 2:48 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.90 one way or $31.80 round trip. Estimated CO2 is about 38.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Snow Showers around Brush and Slight Chance Snow Showers near Castle Rock.
Stop Ideas Near Hudson
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Historic Brighton City Hall
Town of Frederick
Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hudson.
Longmont, Colorado
Denver (Bus Station), Colorado
Union Station
Boulder, Colorado
Flight Path Map
This map shows the direct air route between Brush and Castle Rock. Straight-line distance: 89.61 mi (144.21 km).
#1 Brush
City in Morgan County, Colorado, United States
| Population | 5,438 |
| Coordinates | 40.2588700, -103.6238400 |
| Altitude | 1286 |
| 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: 196 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 03m |
| 40 mph (64.37 km/h) | 03h 02m |
| 50 mph (80.47 km/h) | 02h 26m |
| 60 mph (96.56 km/h) | 02h 01m |
| 70 mph (112.65 km/h) | 01h 44m |
| 80 mph (129 km/h) | 01h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $15.90 | $31.80 |
| Mid-grade | $4.08 | $17.56 | $35.12 |
| Premium | $4.39 | $18.88 | $37.76 |
| Diesel | $4.74 | $20.37 | $40.74 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.