How far is Brush, CO from Longmont, CO?
The driving distance from Brush, CO to Longmont, CO is about 89.1 miles (143.4 km), with a travel time of about 01h 33m by car.
- The straight-line flight distance is about 78.2 miles (125.9 km).
- For a round trip, plan for roughly 03h 06m 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 33m.
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.
Driving Route Map
The map below follows the saved road route between Brush and Longmont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brush and Longmont.
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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
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4
Take the ramp left
1550 ft · 38 sec
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5
Merge slight left
57.7 mi · 58 min
-
6
Take the exit slight right toward CO 52: Hudson
1129 ft · 27 sec
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7
Enter the roundabout and take exit 1 toward East Bison Highway
7 m · 1 sec · East Bison Highway
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8
Exit the roundabout onto East Bison Highway
1468 ft · 25 sec · East Bison Highway
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9
Enter the roundabout and take exit 2 toward East Bison Highway
41 m · 2 sec · East Bison Highway
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10
Exit the roundabout onto East Bison Highway
8 mi · 13 min · East Bison Highway
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11
Continue on 1st Street
9.7 mi · 17 min · 1st Street
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12
Take the ramp slight right toward I 25 North: Fort Collins
1736 ft · 43 sec
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13
Merge slight left onto Dwight D. Eisenhower Highway
4.5 mi · 4 min · Dwight D. Eisenhower Highway
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14
Take the exit slight right toward CO 119 West: Firestone Boulevard
996 ft · 19 sec
-
15
Keep slight left to continue on CO 119 West: Longmont
88 m · 8 sec
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16
Turn left onto Highway 119
3.1 mi · 4 min · Highway 119
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17
Continue on East Ken Pratt Boulevard
1.6 mi · 2 min · East Ken Pratt Boulevard
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18
Take the exit slight right
69 m · 7 sec
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19
Turn right onto East 3rd Avenue
1.9 mi · 4 min · East 3rd Avenue
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20
Turn right onto Kimbark Street
1084 ft · 55 sec · Kimbark Street
-
21
Turn left
57 m · 16 sec
-
22
Turn right
33 m · 8 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Brush and Longmont.
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
57.7 mi · 00h 58m
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.
Sunny leaving Brush and Sunny near Longmont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Brush to Longmont?
The road trip is about 89.1 miles (143.4 km) and usually takes 01h 33m 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 44.4 miles from Brush and 44.7 miles from Longmont.
How much longer is the road route than the straight-line distance?
The direct path is about 78.2 miles (125.9 km), while the road route adds roughly 10.9 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 3:24 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.73 one way or $27.46 round trip. Estimated CO2 is about 27.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Brush and Sunny near Longmont.
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
Denver (Bus Station), Colorado
Union Station
Fort Morgan
Flight Path Map
This map shows the direct air route between Brush and Longmont. Straight-line distance: 78.24 mi (125.92 km).
#1 Brush
City in Morgan County, Colorado, United States
| Population | 5,438 |
| Coordinates | 40.2588700, -103.6238400 |
| Altitude | 1286 |
| Country | United States |
#2 Longmont
The most populous city in Boulder County, Colorado.
| Population | 98,445 |
| Coordinates | 40.1672100, -105.1019300 |
| Altitude | 1519 |
| Country | United States |
End: (-105.101861, 40.16721)
Estimated Travel Time
Distance: 143 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 58m |
| 40 mph (64.37 km/h) | 02h 13m |
| 50 mph (80.47 km/h) | 01h 46m |
| 60 mph (96.56 km/h) | 01h 29m |
| 70 mph (112.65 km/h) | 01h 16m |
| 80 mph (129 km/h) | 01h 06m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.37 | $13.73 | $27.46 |
| Mid-grade | $4.77 | $14.97 | $29.93 |
| Premium | $5.11 | $16.04 | $32.08 |
| Diesel | $6.60 | $20.72 | $41.44 |
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 · Oct 16, 2026