How far is Thornton, CO from Brush, CO?
The driving distance from Thornton, CO to Brush, CO is about 84.3 miles (135.7 km), with a travel time of about 01h 31m by car.
- The straight-line flight distance is about 76.2 miles (122.7 km).
- For a round trip, plan for roughly 03h 02m 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 31m.
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.
City in Weld County, Colorado, United States of America
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 Thornton and Brush.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thornton and Brush.
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1
Start on the route
23 m · 12 sec
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2
Turn left onto Dorothy Boulevard
1165 ft · 55 sec · Dorothy Boulevard
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3
At the end of the road, turn right onto Thornton Parkway
1.7 mi · 3 min · Thornton Parkway
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4
Turn right onto Colorado Boulevard
1.6 km · 2 min · Colorado Boulevard
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5
Turn left onto East 88th Avenue
1.6 mi · 3 min · East 88th Avenue
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6
Take the ramp left toward I 76 East: Brush
1052 ft · 26 sec
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7
Merge slight left onto Heartland Expressway
1.8 mi · 2 min · Heartland Expressway
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8
Keep slight right to continue on Heartland Expressway
76.9 mi · 1 hr 17 min · Heartland Expressway
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9
Take the exit slight right toward CO 71: Brush, Snyder
1428 ft · 37 sec
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10
Turn right onto Colorado Avenue
2788 ft · 1 min · Colorado Avenue
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11
Turn right onto Howard Street
121 m · 16 sec · Howard Street
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12
Turn left onto Clayton Street
563 ft · 15 sec · Clayton Street
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13
Arrive at your destination
0 m · 1 sec · Clayton Street
Car Route Details
A richer read on the saved driving route between Thornton 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
Keep slight right to continue on Heartland Expressway
76.9 mi · 01h 17m
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 Thornton 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 Thornton to Brush?
The road trip is about 84.3 miles (135.7 km) and usually takes 01h 31m 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?
Keenesburg is a useful midpoint, sitting about 42.1 miles from Thornton and 42.3 miles from Brush.
How much longer is the road route than the straight-line distance?
The direct path is about 76.2 miles (122.7 km), while the road route adds roughly 8.1 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 3:28 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.02 one way or $22.04 round trip. Estimated CO2 is about 26.5 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Snow Showers around Thornton and Mostly Sunny then Slight Chance Snow Showers near Brush.
Stop Ideas Near Keenesburg
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 Keenesburg.
Longmont, Colorado
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Union Station
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Flight Path Map
This map shows the direct air route between Thornton and Brush. Straight-line distance: 76.23 mi (122.68 km).
#1 Thornton
The seventh most populous city in Colorado.
| Population | 148,113 |
| Coordinates | 39.8680400, -104.9719200 |
| Altitude | 1631 |
| 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: 136 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 48m |
| 40 mph (64.37 km/h) | 02h 06m |
| 50 mph (80.47 km/h) | 01h 41m |
| 60 mph (96.56 km/h) | 01h 24m |
| 70 mph (112.65 km/h) | 01h 12m |
| 80 mph (129 km/h) | 01h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $11.02 | $22.04 |
| Mid-grade | $4.08 | $12.17 | $24.34 |
| Premium | $4.39 | $13.09 | $26.17 |
| Diesel | $4.74 | $14.12 | $28.23 |
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.