How far is Boulder, CO from Broomfield, CO?

The driving distance from Boulder, CO to Broomfield, CO is about 13 miles (21 km), with a travel time of about 00h 17m by car.

  • The straight-line flight distance is about 11.7 miles (18.9 km).
  • For a round trip, plan for roughly 00h 34m 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
13.08 mi
00h 17m
Flight
11.73 mi
18.87 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Boulder.

Flight Distance

Direct air line
11.73 mi
Kilometers
18.87 km
Flight Time
00h 01m

Driving Distance

Road route
13.08 mi
Kilometers
21.05 km
Drive Time
00h 17m

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 17m.

Arrival Snapshot
Arrive in Broomfield
Wed, Apr 22, 7:30 PM MDT
Return by in Boulder
Wed, Apr 22, 7:47 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Boulder
2026-04-22T19:13
Arrive Broomfield
Wed, Apr 22, 7:30 PM MDT
Route Timing
00h 17m
One way by road
Best Departure Window
7:00 AM to 7:00 PM MDT
Leave when it suits your day
Arrive between
7:17 AM to 7:17 PM MDT

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

Leave by
7:56 PM MDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Boulder
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
Superior
CO

Statutory Town in Boulder and Jefferson counties in the U.

From Boulder
6.5 mi
00h 08m
To Broomfield
6.5 mi
00h 08m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
7 to 17 mph SW
Destination
78°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
9 to 26 mph SSW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    27 m · 7 sec

  2. 2

    Turn right onto 19th Street

    44 m · 14 sec · 19th Street

  3. 3

    Turn left onto Arapahoe Avenue

    3210 ft · 2 min · Arapahoe Avenue

  4. 4

    Turn right onto 28th Street

    1.2 km · 2 min · 28th Street

  5. 5

    Turn straight onto Denver–Boulder Turnpike

    3.4 mi · 4 min · Denver–Boulder Turnpike

  6. 6

    Keep slight right to continue on Denver–Boulder Turnpike

    1.7 mi · 2 min · Denver–Boulder Turnpike

  7. 7

    Keep slight right to continue on Denver–Boulder Turnpike

    2.6 mi · 3 min · Denver–Boulder Turnpike

  8. 8

    Keep slight right to continue on Denver–Boulder Turnpike

    2.4 mi · 3 min · Denver–Boulder Turnpike

  9. 9

    Keep slight right to continue on Denver–Boulder Turnpike

    1191 ft · 16 sec · Denver–Boulder Turnpike

  10. 10

    Take the exit slight right toward CO 121: Wadsworth Parkway

    2424 ft · 49 sec

  11. 11

    Turn left

    2669 ft · 1 min

  12. 12

    Continue straight

    62 m · 5 sec

  13. 13

    Turn right onto West Midway Boulevard

    976 ft · 31 sec · West Midway Boulevard

  14. 14

    Turn right onto Nickel Street

    682 ft · 22 sec · Nickel Street

  15. 15

    Turn left onto West 3rd Avenue

    83 m · 17 sec · West 3rd Avenue

  16. 16

    Turn left

    58 m · 14 sec

  17. 17

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
17 steps
13 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
129.8 / 100 mi
Decision points by distance
Main Roads
Denver–Boulder Turnpike
10.3 mi · 78%
28th Street
0.76 mi · 6%
Arapahoe Avenue
0.61 mi · 5%
CO 121
0.5 mi · 4%
West Midway Boulevard
0.18 mi · 1%
Nickel Street
0.13 mi · 1%
Longest Stretch

Denver–Boulder Turnpike

Turn straight onto Denver–Boulder Turnpike

3.35 mi · 00h 04m

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 17m
Quick drive
Same-Day Return
00h 34m
Round-trip wheel time
Road vs Air
+1.3 mi
11.7 mi direct line
Halfway Stop
Superior
00h 08m from Boulder
Leave By
7:56 PM MDT
Flexible departure
Weather Watch

Mostly Sunny leaving Boulder and Mostly Sunny near Broomfield.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 13 miles (21 km) and usually takes 00h 17m 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?

Superior is a useful midpoint, sitting about 6.5 miles from Boulder and 6.5 miles from Broomfield.

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

The direct path is about 11.7 miles (18.9 km), while the road route adds roughly 1.3 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 7:56 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $1.70 one way or $3.40 round trip. Estimated CO2 is about 4.1 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Boulder and Mostly Sunny near Broomfield.

Stop Ideas Near Superior

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 Superior and the surrounding midpoint area.
Municipal Court Park
Scenic stop 12 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 6.6 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 5.1 mi away

Lafayette City Hall

Lafayette , CO
1290 S Public Rd, Lafayette, CO 80026
Rating 5.0/5 2 reviews City administration

Transit and Meeting Points

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

BUS

Boulder, Colorado

15 mi away
30th & Diagonal Highway
BUS

Longmont, Colorado

25 mi away
623 Main St.
RAIL

Union Station

26 mi away
1701 Wynkoop Street
BUS

Denver (Bus Station), Colorado

27 mi away
1055 19th Street

Flight Path Map

This map shows the direct air route between Boulder and Broomfield. Straight-line distance: 11.73 mi (18.87 km).

Boulder

#1 Boulder

The most populous city in Boulder County, Colorado.

Population107,645
Coordinates40.0149900, -105.2705500
Altitude1624
CountryUnited States
Photo coming soon

#2 Broomfield

A city in Broomfield County, Colorado.

Population72,236
Coordinates39.9205400, -105.0866500
Altitude1644
CountryUnited States
Start: (-105.27055, 40.014996)
End: (-105.086461, 39.920417)

Estimated Travel Time

Distance: 21 km by road

SpeedTime
30 mph (48.3 km/h)00h 26m
40 mph (64.37 km/h)00h 19m
50 mph (80.47 km/h)00h 15m
60 mph (96.56 km/h)00h 13m
70 mph (112.65 km/h)00h 11m
80 mph (129 km/h)00h 09m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.46 gal
1.75 L · about $1.70
Round trip
$3.40
0.92 gal · 3.5 L
Estimated CO2
4.1 kg one way
Round trip: 8.2 kg / 18 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $1.70 $3.40
Mid-grade $4.08 $1.88 $3.76
Premium $4.39 $2.02 $4.04
Diesel $4.74 $2.18 $4.36

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

There is no time difference between Boulder and Broomfield. The current time is 19:13:16.

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.