How far is Eagle, CO from Thornton, CO?
The driving distance from Eagle, CO to Thornton, CO is about 133.4 miles (214.7 km), with a travel time of about 02h 17m by car.
- The straight-line flight distance is about 99.7 miles (160.5 km).
- For a round trip, plan for roughly 04h 34m 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 17m.
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 Thornton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Eagle and Thornton.
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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
44.2 mi · 48 min · Gerald R. Ford Memorial Highway
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9
Continue on Grand Army of the Republic Highway
78 mi · 1 hr 33 min · Grand Army of the Republic Highway
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10
Keep slight left to continue on Heartland Expressway
5.1 mi · 6 min · Heartland Expressway
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11
Take the exit slight right toward I 25: Fort Collins, Colorado Springs
1098 ft · 21 sec
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12
Keep slight left to continue on I 25 North: Fort Collins
1.4 mi · 3 min
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13
Merge slight left onto North Valley Highway
1.4 km · 1 min · North Valley Highway
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14
Keep slight right to continue on North Valley Highway
1.3 mi · 2 min · North Valley Highway
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15
Take the exit slight right toward Thornton Parkway
2280 ft · 43 sec
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16
Turn right onto Thornton Parkway
1.4 km · 2 min · Thornton Parkway
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17
Turn right onto Dorothy Boulevard
1077 ft · 51 sec · Dorothy Boulevard
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18
Turn right
36 m · 9 sec
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Eagle and Thornton.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Grand Army of the Republic Highway
Continue on Grand Army of the Republic Highway
78 mi · 01h 33m
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 Thornton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Eagle to Thornton?
The road trip is about 133.4 miles (214.7 km) and usually takes 02h 17m 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 Eagle and 66.8 miles from Thornton.
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 1:56 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 Eagle and Mostly Sunny near Thornton.
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 Eagle and Thornton. Straight-line distance: 99.71 mi (160.46 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 Thornton
The seventh most populous city in Colorado.
| Population | 148,113 |
| Coordinates | 39.8680400, -104.9719200 |
| Altitude | 1631 |
| Country | United States |
End: (-104.971859, 39.868064)
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.