How far is Thornton, CO from Eagle, CO?
The driving distance from Thornton, CO to Eagle, CO is about 133.4 miles (214.7 km), with a travel time of about 02h 38m by car.
- The straight-line flight distance is about 99.7 miles (160.5 km).
- For a round trip, plan for roughly 05h 16m 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 38m.
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 Thornton and Eagle.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thornton and Eagle.
-
1
Start on the route
23 m · 12 sec
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2
Turn left onto Dorothy Boulevard
1165 ft · 59 sec · Dorothy Boulevard
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3
At the end of the road, turn left onto Thornton Parkway
1.6 km · 2 min · Thornton Parkway
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4
Turn left onto I 25 South: Colorado Springs
1973 ft · 40 sec
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5
Merge slight left onto North Valley Highway
1.2 mi · 2 min · North Valley Highway
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6
Keep slight right to continue on North Valley Highway
1.5 mi · 2 min · North Valley Highway
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7
Take the exit slight right toward I 76 West: Arvada, Grand Junction
1.5 km · 2 min
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8
Merge slight left onto Heartland Expressway
5.2 mi · 6 min · Heartland Expressway
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9
Merge slight left
122.2 mi · 2 hr 21 min
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10
Take the exit slight right toward Eagle
1246 ft · 31 sec
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11
Enter the roundabout and take exit 3 toward Eby Creek Road
54 m · 4 sec · Eby Creek Road
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12
Exit the roundabout onto Eby Creek Road
132 m · 9 sec · Eby Creek Road
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13
Enter the roundabout and take exit 1 toward Eby Creek Road
21 m · 4 sec · Eby Creek Road
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14
Exit the roundabout onto Eby Creek Road
95 m · 6 sec · Eby Creek Road
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15
Enter the roundabout and take exit 2 toward Eby Creek Road
33 m · 6 sec · Eby Creek Road
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16
Exit the roundabout onto Eby Creek Road
871 ft · 18 sec · Eby Creek Road
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17
Enter the roundabout and take exit 1 toward Grand Avenue
3 m · 1 sec · Grand Avenue
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18
Exit the roundabout onto Grand Avenue
1235 ft · 28 sec · Grand Avenue
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19
Turn left onto West 2nd Street
41 m · 6 sec · West 2nd Street
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20
Arrive at your destination
0 m · 1 sec · West 2nd Street
Car Route Details
A richer read on the saved driving route between Thornton and Eagle.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Heartland Expressway
Merge slight left
122 mi · 02h 21m
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 Thornton and Mostly Sunny near Eagle.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thornton to Eagle?
The road trip is about 133.4 miles (214.7 km) and usually takes 02h 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?
Dillon is a useful midpoint, sitting about 66.6 miles from Thornton and 66.8 miles from Eagle.
How much longer is the road route than the straight-line distance?
The direct path is about 99.7 miles (160.5 km), while the road route adds roughly 33.7 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 1:14 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.42 one way or $34.84 round trip. Estimated CO2 is about 41.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Thornton and Mostly Sunny near Eagle.
Stop Ideas Near Dillon
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 Dillon.
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Flight Path Map
This map shows the direct air route between Thornton and Eagle. Straight-line distance: 99.71 mi (160.46 km).
#1 Thornton
The seventh most populous city in Colorado.
| Population | 148,113 |
| Coordinates | 39.8680400, -104.9719200 |
| Altitude | 1631 |
| Country | United States |
#2 Eagle
Human settlement in Eagle County, Colorado, United States of America
| Population | 6,911 |
| Coordinates | 39.6552600, -106.8286500 |
| Altitude | 2012 |
| Country | United States |
End: Eagle (-106.82865, 39.65526)
Estimated Travel Time
Distance: 215 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 26m |
| 40 mph (64.37 km/h) | 03h 20m |
| 50 mph (80.47 km/h) | 02h 40m |
| 60 mph (96.56 km/h) | 02h 13m |
| 70 mph (112.65 km/h) | 01h 54m |
| 80 mph (129 km/h) | 01h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $17.42 | $34.84 |
| Mid-grade | $4.08 | $19.24 | $38.47 |
| Premium | $4.39 | $20.68 | $41.36 |
| Diesel | $4.74 | $22.31 | $44.62 |
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.