How far is Brighton, CO from Boulder, CO?

The driving distance from Brighton, CO to Boulder, CO is about 28.6 miles (46.1 km), with a travel time of about 00h 34m by car.

  • The straight-line flight distance is about 23.9 miles (38.5 km).
  • For a round trip, plan for roughly 01h 09m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
28.66 mi
00h 34m
Flight
23.9 mi
38.47 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Brighton.

Flight Distance

Direct air line
23.9 mi
Kilometers
38.47 km
Flight Time
00h 02m

Driving Distance

Road route
28.66 mi
Kilometers
46.12 km
Drive Time
00h 34m

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 34m.

Arrival Snapshot
Arrive in Boulder
Fri, Apr 17, 10:57 PM MDT
Return by in Brighton
Fri, Apr 17, 11:32 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Brighton
2026-04-17T22:23
Arrive Boulder
Fri, Apr 17, 10:57 PM MDT
Route Timing
00h 34m
One way by road
Best Departure Window
7:00 AM to 7:00 PM MDT
Leave when it suits your day
Arrive between
7:35 AM to 7:35 PM MDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:20 PM MDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Brighton
10:00 PM MDT
Flexible departure

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.

Mid-route stop
Lafayette
CO

City in Colorado

From Brighton
14.3 mi
00h 17m
To Boulder
14.4 mi
00h 17m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
47°F
Friday

Rain And Snow Showers

Starts
Fri, Apr 17 6:00 AM MDT
Wind
10 to 21 mph NNE
Destination
43°F
Friday

Snow Showers

Starts
Fri, Apr 17 6:00 AM MDT
Wind
5 to 9 mph NNE

Driving Route Map

The map below follows the saved road route between Brighton and Boulder.

Turn-by-Turn Driving Directions

Step-by-step road directions between Brighton and Boulder.

  1. 1

    Start on Bush Street

    126 m · 15 sec · Bush Street

  2. 2

    Turn right onto South Main Street

    584 ft · 25 sec · South Main Street

  3. 3

    Turn left onto West Bridge Street

    130 m · 9 sec · West Bridge Street

  4. 4

    Enter the roundabout and take exit 2 toward West Bridge Street

    43 m · 2 sec · West Bridge Street

  5. 5

    Exit the roundabout onto West Bridge Street

    81 m · 5 sec · West Bridge Street

  6. 6

    Enter the roundabout and take exit 2 toward West Bridge Street

    45 m · 3 sec · West Bridge Street

  7. 7

    Exit the roundabout onto West Bridge Street

    2254 ft · 54 sec · West Bridge Street

  8. 8

    Continue on East 160th Avenue

    6.7 mi · 9 min · East 160th Avenue

  9. 9

    Turn left onto York Street

    1.1 km · 1 min · York Street

  10. 10

    Take the ramp right toward E470 Toll North

    2248 ft · 55 sec

  11. 11

    Merge slight left onto E-470

    1.7 mi · 2 min · E-470

  12. 12

    Continue on Northwest Parkway

    8.3 mi · 9 min · Northwest Parkway

  13. 13

    Take the exit slight right toward US 36 West: Boulder

    1651 ft · 42 sec

  14. 14

    Merge slight left onto Denver–Boulder Turnpike

    1.4 mi · 2 min · Denver–Boulder Turnpike

  15. 15

    Keep slight right to continue on Denver–Boulder Turnpike

    2.4 mi · 3 min · Denver–Boulder Turnpike

  16. 16

    Keep slight right to continue on Denver–Boulder Turnpike

    2.2 mi · 3 min · Denver–Boulder Turnpike

  17. 17

    Keep slight left to continue on Denver–Boulder Turnpike

    2.3 mi · 3 min · Denver–Boulder Turnpike

  18. 18

    Continue on 28th Street

    1.2 km · 2 min · 28th Street

  19. 19

    Turn left onto Arapahoe Avenue

    1 km · 2 min · Arapahoe Avenue

  20. 20

    Turn right onto 19th Street

    44 m · 11 sec · 19th Street

  21. 21

    Turn left

    27 m · 5 sec

  22. 22

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Brighton and Boulder.

OSRM road route
Drive Character

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.

Directions
22 steps
14 turns on the saved route
Ramps & Exits
8
2 merges, 6 ramps or exits
Navigation Density
76.7 / 100 mi
Decision points by distance
Main Roads
Northwest Parkway
8.35 mi · 29%
Denver–Boulder Turnpike
8.28 mi · 29%
East 160th Avenue
6.72 mi · 23%
E-470
1.67 mi · 6%
28th Street
0.76 mi · 3%
York Street
0.66 mi · 2%
Longest Stretch

Northwest Parkway

Continue on Northwest Parkway

8.35 mi · 00h 09m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 34m
Quick drive
Same-Day Return
01h 10m
Round-trip wheel time
Road vs Air
+4.7 mi
23.9 mi direct line
Halfway Stop
Lafayette
00h 17m from Brighton
Leave By
7:20 PM MDT
Flexible departure
Weather Watch

Rain And Snow Showers leaving Brighton and Snow Showers near Boulder.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Brighton to Boulder?

The road trip is about 28.6 miles (46.1 km) and usually takes 00h 34m 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?

Lafayette is a useful midpoint, sitting about 14.3 miles from Brighton and 14.4 miles from Boulder.

How much longer is the road route than the straight-line distance?

The direct path is about 23.9 miles (38.5 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 7:20 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.73 one way or $7.47 round trip. Estimated CO2 is about 9 kg one way.

What should you check before leaving?

Before you leave, expect Rain And Snow Showers around Brighton and Snow Showers near Boulder.

Stop Ideas Near Lafayette

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Lafayette and the surrounding midpoint area.
Municipal Court Park
Scenic stop 9.5 mi away

Municipal Court Park

Westminster , CO
3025 W 76th Ave, Westminster, CO 80030
Rating 3.8/5 94 reviews Park
Broomfield City Council
Meeting point 3.4 mi away

Broomfield City Council

Broomfield , CO
1 Descombes Dr, Broomfield, CO 80020
Rating 3.9/5 63 reviews City government office
Lafayette City Hall
Nearby stop 1.7 mi away

Lafayette City Hall

Lafayette , CO
1290 S Public Rd, Lafayette, CO 80026
Rating 5.0/5 2 reviews City administration
Historic Brighton City Hall
Scenic stop 13.4 mi away

Historic Brighton City Hall

Brighton , CO
22 S 4th Ave, Brighton, CO 80601
Rating 4.3/5 31 reviews Historical place,City Hall

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Lafayette.

BUS

Boulder, Colorado

18 mi away
30th & Diagonal Highway
BUS

Longmont, Colorado

20 mi away
623 Main St.
BUS

Denver (Bus Station), Colorado

28 mi away
1055 19th Street
RAIL

Union Station

28 mi away
1701 Wynkoop Street

Flight Path Map

This map shows the direct air route between Brighton and Boulder. Straight-line distance: 23.9 mi (38.47 km).

Brighton

#1 Brighton

A city in Adams County, Colorado.

Population40,783
Coordinates39.9852600, -104.8205300
Altitude1519
CountryUnited States
Boulder

#2 Boulder

The most populous city in Boulder County, Colorado.

Population107,645
Coordinates40.0149900, -105.2705500
Altitude1624
CountryUnited States
Start: Bush Street (-104.82053, 39.98526)
End: (-105.27055, 40.014996)

Estimated Travel Time

Distance: 46 km by road

SpeedTime
30 mph (48.3 km/h)00h 57m
40 mph (64.37 km/h)00h 42m
50 mph (80.47 km/h)00h 34m
60 mph (96.56 km/h)00h 28m
70 mph (112.65 km/h)00h 24m
80 mph (129 km/h)00h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.01 gal
3.83 L · about $3.73
Round trip
$7.47
2.02 gal · 7.66 L
Estimated CO2
9 kg one way
Round trip: 18 kg / 40 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $3.73 $7.47
Mid-grade $4.08 $4.12 $8.25
Premium $4.39 $4.43 $8.87
Diesel $4.74 $4.78 $9.57

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

There is no time difference between Brighton and Boulder. The current time is 22:23:10.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.