How far is Eagle, CO from Boulder, CO?
The driving distance from Eagle, CO to Boulder, CO is about 138.2 miles (222.4 km), with a travel time of about 02h 29m by car.
- The straight-line flight distance is about 86.3 miles (138.9 km).
- For a round trip, plan for roughly 04h 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.
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.
This route works well as a day trip with time at the destination.
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 02h 29m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town in Colorado, USA
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 Eagle and Boulder.
Turn-by-Turn Driving Directions
Step-by-step road directions between Eagle and Boulder.
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1
Start on West 2nd Street
41 m · 11 sec · West 2nd Street
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2
Turn right onto Grand Avenue
1238 ft · 21 sec · Grand Avenue
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3
Enter the roundabout and take exit 3 toward Eby Creek Road
57 m · 4 sec · Eby Creek Road
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4
Exit the roundabout onto Eby Creek Road
884 ft · 18 sec · Eby Creek Road
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5
Enter the roundabout and take exit 2 toward Eby Creek Road
33 m · 6 sec · Eby Creek Road
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6
Exit the roundabout onto Eby Creek Road
52 m · 3 sec · Eby Creek Road
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7
Take the ramp straight
1416 ft · 35 sec
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8
Merge slight left onto Gerald R. Ford Memorial Highway
111.9 mi · 2 hr 11 min · Gerald R. Ford Memorial Highway
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9
Take the exit slight right toward US 40, I 70 Business East, CH 93: Golden, Morrison
1173 ft · 24 sec
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10
Turn left onto Hogback Road
1123 ft · 35 sec · Hogback Road
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11
Continue on Lariat Loop Scenic Byway
1.1 mi · 2 min · Lariat Loop Scenic Byway
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12
Turn left onto Heritage Road
1415 ft · 29 sec · Heritage Road
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13
Enter the roundabout and take exit 1 toward Heritage Road
32 m · 2 sec · Heritage Road
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14
Exit the roundabout onto Heritage Road
149 m · 10 sec · Heritage Road
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15
Enter the roundabout and take exit 2 toward Heritage Road
15 m · 1 sec · Heritage Road
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16
Exit the roundabout onto Heritage Road
1356 ft · 27 sec · Heritage Road
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17
Enter the roundabout and take exit 2 toward Heritage Road
39 m · 3 sec · Heritage Road
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18
Exit the roundabout onto Heritage Road
707 ft · 16 sec · Heritage Road
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19
Turn slight right onto Heritage Road
809 ft · 20 sec · Heritage Road
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20
Turn left onto Dinosaur Diamond Prehistoric Highway
2.3 mi · 4 min · Dinosaur Diamond Prehistoric Highway
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21
Continue straight
7.5 mi · 11 min
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22
Continue straight
11.8 mi · 20 min
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23
Turn right onto University Avenue
1049 ft · 36 sec · University Avenue
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24
Continue on 17th Street
813 ft · 30 sec · 17th Street
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25
Turn right onto Athens Street
646 ft · 33 sec · Athens Street
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26
Turn left onto 19th Street
864 ft · 29 sec · 19th Street
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27
Turn left
27 m · 5 sec
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28
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Eagle and Boulder.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Gerald R. Ford Memorial Highway
Merge slight left onto Gerald R. Ford Memorial Highway
112 mi · 02h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Eagle 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 Eagle to Boulder?
The road trip is about 138.2 miles (222.4 km) and usually takes 02h 29m 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?
Montezuma is a useful midpoint, sitting about 68.7 miles from Eagle and 69.5 miles from Boulder.
How much longer is the road route than the straight-line distance?
The direct path is about 86.3 miles (138.9 km), while the road route adds roughly 51.9 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 1:30 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.05 one way or $36.09 round trip. Estimated CO2 is about 43.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Eagle and Mostly Sunny near Boulder.
Stop Ideas Near Montezuma
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Montezuma.
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Flight Path Map
This map shows the direct air route between Eagle and Boulder. Straight-line distance: 86.32 mi (138.92 km).
#1 Eagle
Human settlement in Eagle County, Colorado, United States of America
| Population | 6,911 |
| Coordinates | 39.6552600, -106.8286500 |
| Altitude | 2012 |
| 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: 222 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 36m |
| 40 mph (64.37 km/h) | 03h 27m |
| 50 mph (80.47 km/h) | 02h 45m |
| 60 mph (96.56 km/h) | 02h 18m |
| 70 mph (112.65 km/h) | 01h 58m |
| 80 mph (129 km/h) | 01h 43m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $18.05 | $36.09 |
| Mid-grade | $4.08 | $19.93 | $39.86 |
| Premium | $4.39 | $21.43 | $42.86 |
| Diesel | $4.74 | $23.12 | $46.23 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.