How far is Parker, CO from Boulder, CO?

The driving distance from Parker, CO to Boulder, CO is about 62.7 miles (100.9 km), with a travel time of about 00h 59m by car.

  • The straight-line flight distance is about 43.7 miles (70.3 km).
  • For a round trip, plan for roughly 01h 59m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
62.7 mi
00h 59m
Flight
43.68 mi
70.29 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Parker.

Flight Distance

Direct air line
43.68 mi
Kilometers
70.29 km
Flight Time
00h 05m

Driving Distance

Road route
62.7 mi
Kilometers
100.9 km
Drive Time
00h 59m

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 59m.

Arrival Snapshot
Arrive in Boulder
Wed, Apr 22, 9:47 PM MDT
Return by in Parker
Wed, Apr 22, 10:47 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Parker
2026-04-22T20:47
Arrive Boulder
Wed, Apr 22, 9:47 PM MDT
Route Timing
00h 59m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
9:00 AM to 11:00 AM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:30 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Parker
9:30 PM MDT
Morning start is best

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
Denver
CO

The twentieth most populous city in the United States and the center of the Denver metropolitan area.

From Parker
26.1 mi
00h 29m
To Boulder
36.6 mi
00h 29m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
10 to 26 mph SW
Destination
75°F
Wednesday

Mostly Sunny

Starts
Wed, Apr 22 6:00 AM MDT
Wind
7 to 17 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on South Pikes Peak Drive

    30 m · 8 sec · South Pikes Peak Drive

  2. 2

    Turn right onto East Mainstreet

    821 ft · 30 sec · East Mainstreet

  3. 3

    Turn right onto South Parker Road

    2.5 mi · 4 min · South Parker Road

  4. 4

    Take the exit slight right toward E470 Toll South, I 25: Colorado Springs

    1598 ft · 39 sec

  5. 5

    Merge slight left onto E-470

    4.9 mi · 5 min · E-470

  6. 6

    Take the exit slight right toward I 25: Denver, Colorado Springs

    1106 ft · 27 sec

  7. 7

    Keep slight right to continue on I 25 North: Denver

    1583 ft · 41 sec

  8. 8

    Continue on I 25 North: Denver

    1626 ft · 40 sec

  9. 9

    Merge slight left

    21.8 mi · 28 min

  10. 10

    Take the exit slight left toward US 36 West: Westminster, Boulder

    2930 ft · 52 sec

  11. 11

    Merge slight right onto Denver–Boulder Turnpike

    2.1 mi · 2 min · Denver–Boulder Turnpike

  12. 12

    Keep slight right to continue on Denver–Boulder Turnpike

    1.7 mi · 2 min · Denver–Boulder Turnpike

  13. 13

    Keep slight right to continue on Denver–Boulder Turnpike

    2.3 mi · 3 min · Denver–Boulder Turnpike

  14. 14

    Keep slight right to continue on Denver–Boulder Turnpike

    1.9 mi · 2 min · Denver–Boulder Turnpike

  15. 15

    Keep slight right to continue on Denver–Boulder Turnpike

    2.1 mi · 2 min · Denver–Boulder Turnpike

  16. 16

    Keep slight right to continue on Denver–Boulder Turnpike

    2.9 mi · 3 min · Denver–Boulder Turnpike

  17. 17

    Keep slight right to continue on Denver–Boulder Turnpike

    2.4 mi · 3 min · Denver–Boulder Turnpike

  18. 18

    Keep slight right to continue on Denver–Boulder Turnpike

    2.2 mi · 3 min · Denver–Boulder Turnpike

  19. 19

    Keep slight left to continue on Denver–Boulder Turnpike

    2.3 mi · 3 min · Denver–Boulder Turnpike

  20. 20

    Continue on 28th Street

    1.2 km · 2 min · 28th Street

  21. 21

    Turn left onto Arapahoe Avenue

    1 km · 2 min · Arapahoe Avenue

  22. 22

    Turn right onto 19th Street

    44 m · 11 sec · 19th Street

  23. 23

    Turn left

    27 m · 5 sec

  24. 24

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
24 steps
14 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
38.3 / 100 mi
Decision points by distance
Main Roads
I 25 North
22.4 mi · 36%
Denver–Boulder Turnpike
19.8 mi · 32%
E-470
4.92 mi · 8%
South Parker Road
2.48 mi · 4%
28th Street
0.76 mi · 1%
Arapahoe Avenue
0.64 mi · 1%
Longest Stretch

I 25 North

Merge slight left

21.8 mi · 00h 28m

Route Summary

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

Trip Read

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.

Drive Time
00h 59m
Day trip friendly
Same-Day Return
02h 00m
Round-trip wheel time
Road vs Air
+19 mi
43.7 mi direct line
Halfway Stop
Denver
00h 29m from Parker
Leave By
4:30 PM MDT
Morning start is best
Weather Watch

Mostly Sunny leaving Parker 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 Parker to Boulder?

The road trip is about 62.7 miles (100.9 km) and usually takes 00h 59m 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?

Denver is a useful midpoint, sitting about 26.1 miles from Parker and 36.6 miles from Boulder.

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

The direct path is about 43.7 miles (70.3 km), while the road route adds roughly 19 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 4:30 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.17 one way or $16.35 round trip. Estimated CO2 is about 19.6 kg one way.

What should you check before leaving?

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

Stop Ideas Near Denver

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 Denver and the surrounding midpoint area.
Fairplay Park
Scenic stop 10 mi away

Fairplay Park

Aurora , CO
2200 Altura Blvd, Aurora, CO 80011
Rating 4.2/5 125 reviews Tourist attraction,Park
Denver City Council
Meeting point 1.8 mi away

Denver City Council

Denver , CO
1437 Bannock St rm 451, Denver, CO 80202
Rating 3.6/5 92 reviews City government office,County government office
Town Hall Arts Center
Nearby stop 10.4 mi away

Town Hall Arts Center

Littleton , CO
2450 Main St, Littleton, CO 80120
Rating 4.7/5 204 reviews Performing arts theater,Art gallery
Municipal Court Park
Scenic stop 5.1 mi away

Municipal Court Park

Westminster , CO
3025 W 76th Ave, Westminster, CO 80030
Rating 3.8/5 94 reviews Park

Transit and Meeting Points

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

BUS

Denver (Bus Station), Colorado

1 mi away
1055 19th Street
RAIL

Union Station

2 mi away
1701 Wynkoop Street
BUS

Boulder, Colorado

44 mi away
30th & Diagonal Highway
BUS

Pine Junction, CO

46 mi away
76 Mount Evans Boulevard

Flight Path Map

This map shows the direct air route between Parker and Boulder. Straight-line distance: 43.68 mi (70.29 km).

Parker

#1 Parker

The most populous city in Douglas County, Colorado.

Population58,673
Coordinates39.5186000, -104.7613600
Altitude1789
CountryUnited States
Boulder

#2 Boulder

The most populous city in Boulder County, Colorado.

Population107,645
Coordinates40.0149900, -105.2705500
Altitude1624
CountryUnited States
Start: South Pikes Peak Drive (-104.761393, 39.518605)
End: (-105.27055, 40.014996)

Estimated Travel Time

Distance: 101 km by road

SpeedTime
30 mph (48.3 km/h)02h 05m
40 mph (64.37 km/h)01h 34m
50 mph (80.47 km/h)01h 15m
60 mph (96.56 km/h)01h 02m
70 mph (112.65 km/h)00h 53m
80 mph (129 km/h)00h 46m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.21 gal
8.37 L · about $8.17
Round trip
$16.35
4.42 gal · 16.74 L
Estimated CO2
19.6 kg one way
Round trip: 39.3 kg / 87 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $8.17 $16.35
Mid-grade $4.08 $9.03 $18.05
Premium $4.39 $9.70 $19.41
Diesel $4.74 $10.47 $20.94

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 Parker and Boulder. The current time is 20:47:24.

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.