How far is Castle Rock, CO from Brush, CO?
The driving distance from Castle Rock, CO to Brush, CO is about 120.5 miles (193.9 km), with a travel time of about 02h 06m by car.
- The straight-line flight distance is about 89.6 miles (144.2 km).
- For a round trip, plan for roughly 04h 12m 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 02h 06m.
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.
Slight Chance Snow Showers
Mostly Sunny then Slight Chance Snow Showers
Driving Route Map
The map below follows the saved road route between Castle Rock and Brush.
Turn-by-Turn Driving Directions
Step-by-step road directions between Castle Rock and Brush.
-
1
Start on North Cantril Street
27 m · 8 sec · North Cantril Street
-
2
Turn left onto 3rd Street
641 ft · 23 sec · 3rd Street
-
3
Exit the roundabout onto 3rd Street
135 m · 18 sec · 3rd Street
-
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
11.7 mi · 12 min
-
7
Take the exit slight right toward CO 470 West, E 470 North Toll: Grand Junction, Limon
865 ft · 21 sec
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8
Keep slight right to continue on E-470 North: Limon
2718 ft · 1 min
-
9
Merge slight left onto E-470
34.4 mi · 34 min · E-470
-
10
Take the exit slight right toward I 76 East: Fort Morgan
1.1 mi · 2 min
-
11
Merge slight left onto Heartland Expressway
70.6 mi · 1 hr 11 min · Heartland Expressway
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12
Take the exit slight right toward CO 71: Brush, Snyder
1428 ft · 37 sec
-
13
Turn right onto Colorado Avenue
2788 ft · 1 min · Colorado Avenue
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14
Turn right onto Howard Street
121 m · 16 sec · Howard Street
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15
Turn left onto Clayton Street
563 ft · 15 sec · Clayton Street
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16
Arrive at your destination
0 m · 1 sec · Clayton Street
Car Route Details
A richer read on the saved driving route between Castle Rock and Brush.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Heartland Expressway
Merge slight left onto Heartland Expressway
70.6 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.
Slight Chance Snow Showers leaving Castle Rock and Mostly Sunny then Slight Chance Snow Showers near Brush.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Castle Rock to Brush?
The road trip is about 120.5 miles (193.9 km) and usually takes 02h 06m 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 60.2 miles from Castle Rock and 60.3 miles from Brush.
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 30.9 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 2:18 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.72 one way or $31.43 round trip. Estimated CO2 is about 37.8 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Snow Showers around Castle Rock and Mostly Sunny then Slight Chance Snow Showers near Brush.
Stop Ideas Near Hudson
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Historic Brighton City Hall
Dacono City Hall
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 Castle Rock and Brush. Straight-line distance: 89.61 mi (144.21 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 Brush
City in Morgan County, Colorado, United States
| Population | 5,438 |
| Coordinates | 40.2588700, -103.6238400 |
| Altitude | 1286 |
| Country | United States |
End: Brush (-103.62384, 40.25887)
Estimated Travel Time
Distance: 194 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 00m |
| 40 mph (64.37 km/h) | 03h 00m |
| 50 mph (80.47 km/h) | 02h 24m |
| 60 mph (96.56 km/h) | 02h 00m |
| 70 mph (112.65 km/h) | 01h 43m |
| 80 mph (129 km/h) | 01h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $15.72 | $31.43 |
| Mid-grade | $4.08 | $17.36 | $34.71 |
| Premium | $4.39 | $18.66 | $37.32 |
| Diesel | $4.74 | $20.13 | $40.26 |
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.