How far is Frisco, CO from Boulder, CO?

The driving distance from Frisco, CO to Boulder, CO is about 84.1 miles (135.3 km), with a travel time of about 01h 38m by car.

  • The straight-line flight distance is about 53.4 miles (86 km).
  • For a round trip, plan for roughly 03h 17m 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
84.07 mi
01h 38m
Flight
53.42 mi
85.97 km direct

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

Learn Distance

Choose another destination from Frisco.

Flight Distance

Direct air line
53.42 mi
Kilometers
85.97 km
Flight Time
00h 06m

Driving Distance

Road route
84.07 mi
Kilometers
135.29 km
Drive Time
01h 38m

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 38m.

Arrival Snapshot
Arrive in Boulder
Fri, Apr 17, 3:13 PM MDT
Return by in Frisco
Fri, Apr 17, 4:52 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Frisco
2026-04-17T13:35
Arrive Boulder
Fri, Apr 17, 3:13 PM MDT
Route Timing
01h 38m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
9:39 AM to 11:39 AM MDT

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

Leave by
3:12 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Frisco
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
Idaho Springs
CO

City in Clear Creek County, Colorado, United States

From Frisco
41.1 mi
00h 49m
To Boulder
42.9 mi
00h 49m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
22°F
Friday

Light Snow

Starts
Fri, Apr 17 6:00 AM MDT
Wind
18 to 23 mph W
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 Frisco and Boulder.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on South 4th Avenue

    541 ft · 28 sec · South 4th Avenue

  2. 2

    Turn right onto East Main Street

    1476 ft · 1 min · East Main Street

  3. 3

    Turn left onto Summit Boulevard

    1.1 mi · 3 min · Summit Boulevard

  4. 4

    Take the ramp straight

    8.5 mi · 12 min

  5. 5

    Continue straight

    47.6 mi · 57 min

  6. 6

    Take the exit slight right toward US 40, I 70 Business East, CH 93: Golden, Morrison

    1173 ft · 24 sec

  7. 7

    Turn left onto Hogback Road

    1123 ft · 35 sec · Hogback Road

  8. 8

    Continue on Lariat Loop Scenic Byway

    1.1 mi · 2 min · Lariat Loop Scenic Byway

  9. 9

    Turn left onto Heritage Road

    1415 ft · 29 sec · Heritage Road

  10. 10

    Enter the roundabout and take exit 1 toward Heritage Road

    32 m · 2 sec · Heritage Road

  11. 11

    Exit the roundabout onto Heritage Road

    149 m · 10 sec · Heritage Road

  12. 12

    Enter the roundabout and take exit 2 toward Heritage Road

    15 m · 1 sec · Heritage Road

  13. 13

    Exit the roundabout onto Heritage Road

    1356 ft · 27 sec · Heritage Road

  14. 14

    Enter the roundabout and take exit 2 toward Heritage Road

    39 m · 3 sec · Heritage Road

  15. 15

    Exit the roundabout onto Heritage Road

    707 ft · 16 sec · Heritage Road

  16. 16

    Turn slight right onto Heritage Road

    809 ft · 20 sec · Heritage Road

  17. 17

    Turn left onto Dinosaur Diamond Prehistoric Highway

    2.3 mi · 4 min · Dinosaur Diamond Prehistoric Highway

  18. 18

    Continue straight

    7.5 mi · 11 min

  19. 19

    Continue straight

    11.8 mi · 20 min

  20. 20

    Turn right onto University Avenue

    1049 ft · 36 sec · University Avenue

  21. 21

    Continue on 17th Street

    813 ft · 30 sec · 17th Street

  22. 22

    Turn right onto Athens Street

    646 ft · 33 sec · Athens Street

  23. 23

    Turn left onto 19th Street

    864 ft · 29 sec · 19th Street

  24. 24

    Turn left

    27 m · 5 sec

  25. 25

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Frisco 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
25 steps
16 turns on the saved route
Ramps & Exits
8
0 merges, 8 ramps or exits
Navigation Density
29.7 / 100 mi
Decision points by distance
Main Roads
Summit Boulevard
57.2 mi · 68%
Dinosaur Diamond Prehistoric Highway
21.6 mi · 26%
Lariat Loop Scenic Byway
1.12 mi · 1%
Heritage Road
0.96 mi · 1%
East Main Street
0.28 mi
US 40
0.22 mi
Longest Stretch

Summit Boulevard

Continue straight

47.6 mi · 00h 57m

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
01h 38m
Day trip friendly
Same-Day Return
03h 18m
Round-trip wheel time
Road vs Air
+30.7 mi
53.4 mi direct line
Halfway Stop
Idaho Springs
00h 49m from Frisco
Leave By
3:12 PM MDT
Morning start is best
Weather Watch

Light Snow leaving Frisco 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 Frisco to Boulder?

The road trip is about 84.1 miles (135.3 km) and usually takes 01h 38m 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?

Idaho Springs is a useful midpoint, sitting about 41.1 miles from Frisco and 42.9 miles from Boulder.

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

The direct path is about 53.4 miles (86 km), while the road route adds roughly 30.7 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 3:12 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $10.98 one way or $21.97 round trip. Estimated CO2 is about 26.4 kg one way.

What should you check before leaving?

Before you leave, expect Light Snow around Frisco and Snow Showers near Boulder.

Stop Ideas Near Idaho Springs

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

Mid-route Guidance
Local place coverage is thin around Idaho Springs, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Idaho Springs.

BUS

Pine Junction, CO

32 mi away
76 Mount Evans Boulevard
RAIL

Fraser – Winter Park

35 mi away
205 Fraser Avenue
BUS

Boulder, Colorado

40 mi away
30th & Diagonal Highway
RAIL

Union Station

44 mi away
1701 Wynkoop Street

Flight Path Map

This map shows the direct air route between Frisco and Boulder. Straight-line distance: 53.42 mi (85.97 km).

Frisco

#1 Frisco

Town in Summit County, Colorado, United States of America

Population2,874
Coordinates39.5744300, -106.0975200
Altitude2766
CountryUnited States
Boulder

#2 Boulder

The most populous city in Boulder County, Colorado.

Population107,645
Coordinates40.0149900, -105.2705500
Altitude1624
CountryUnited States
Start: South 4th Avenue (-106.097413, 39.574447)
End: (-105.27055, 40.014996)

Estimated Travel Time

Distance: 135 km by road

SpeedTime
30 mph (48.3 km/h)02h 48m
40 mph (64.37 km/h)02h 06m
50 mph (80.47 km/h)01h 40m
60 mph (96.56 km/h)01h 24m
70 mph (112.65 km/h)01h 12m
80 mph (129 km/h)01h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.97 gal
11.23 L · about $10.98
Round trip
$21.97
5.94 gal · 22.46 L
Estimated CO2
26.4 kg one way
Round trip: 52.8 kg / 116 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $10.98 $21.97
Mid-grade $4.08 $12.13 $24.26
Premium $4.39 $13.04 $26.08
Diesel $4.74 $14.07 $28.14

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 17, 2026

There is no time difference between Frisco and Boulder. The current time is 13:35:11.

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.