How far is Berthoud, CO from Boulder, CO?
The driving distance from Berthoud, CO to Boulder, CO is about 27.3 miles (43.9 km), with a travel time of about 00h 40m by car.
- The straight-line flight distance is about 22.6 miles (36.4 km).
- For a round trip, plan for roughly 01h 20m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 40m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
The most populous city in Boulder County, Colorado.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Berthoud and Boulder.
Turn-by-Turn Driving Directions
Step-by-step road directions between Berthoud and Boulder.
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1
Start on Lake Avenue
12 m · 7 sec · Lake Avenue
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2
Turn left onto North 5th Street
1141 ft · 52 sec · North 5th Street
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3
Turn right onto Mountain Avenue
1 km · 2 min · Mountain Avenue
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4
Continue on West County Road 8
1.1 km · 1 min · West County Road 8
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5
Turn left onto North Highway 287
3 mi · 4 min · North Highway 287
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6
Continue on North 107th Street
3.8 mi · 4 min · North 107th Street
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7
Continue on Main Street
975 ft · 19 sec · Main Street
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8
Turn right onto Ute Highway
1.5 mi · 3 min · Ute Highway
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9
Turn left onto Hover Street
4.2 mi · 8 min · Hover Street
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10
Take the ramp slight right toward CO 119
110 m · 8 sec
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11
Merge slight left onto Diagonal Highway
9.2 mi · 12 min · Diagonal Highway
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12
Continue on Foothills Parkway
1.9 mi · 3 min · Foothills Parkway
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13
Turn right onto Arapahoe Avenue
1.6 mi · 4 min · Arapahoe Avenue
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14
Turn right onto 19th Street
44 m · 11 sec · 19th Street
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15
Turn left
27 m · 5 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Berthoud and Boulder.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Diagonal Highway
Merge slight left onto Diagonal Highway
9.23 mi · 00h 12m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Berthoud and Mostly Sunny near Boulder.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Berthoud to Boulder?
The road trip is about 27.3 miles (43.9 km) and usually takes 00h 40m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Longmont is a useful midpoint, sitting about 13.5 miles from Berthoud and 13.7 miles from Boulder.
How much longer is the road route than the straight-line distance?
The direct path is about 22.6 miles (36.4 km), while the road route adds roughly 4.7 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:10 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.55 one way or $7.10 round trip. Estimated CO2 is about 8.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Berthoud and Mostly Sunny near Boulder.
Stop Ideas Near Longmont
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Old Town Hall
Boulder City Council
Lafayette City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Longmont.
Longmont, Colorado
Boulder, Colorado
Fort Collins, Colorado
Denver (Bus Station), Colorado
Flight Path Map
This map shows the direct air route between Berthoud and Boulder. Straight-line distance: 22.6 mi (36.37 km).
#1 Berthoud
Town of the United States
| Population | 10,806 |
| Coordinates | 40.3083200, -105.0810900 |
| Altitude | 1535 |
| Country | United States |
#2 Boulder
The most populous city in Boulder County, Colorado.
| Population | 107,645 |
| Coordinates | 40.0149900, -105.2705500 |
| Altitude | 1624 |
| Country | United States |
End: (-105.27055, 40.014996)
Estimated Travel Time
Distance: 44 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 54m |
| 40 mph (64.37 km/h) | 00h 40m |
| 50 mph (80.47 km/h) | 00h 32m |
| 60 mph (96.56 km/h) | 00h 27m |
| 70 mph (112.65 km/h) | 00h 23m |
| 80 mph (129 km/h) | 00h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $3.55 | $7.10 |
| Mid-grade | $4.08 | $3.92 | $7.84 |
| Premium | $4.39 | $4.22 | $8.43 |
| Diesel | $4.74 | $4.55 | $9.10 |
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.