How far is Vail, CO from Thornton, CO?
The driving distance from Vail, CO to Thornton, CO is about 104 miles (167.3 km), with a travel time of about 01h 50m by car.
- The straight-line flight distance is about 76.1 miles (122.5 km).
- For a round trip, plan for roughly 03h 40m 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 01h 50m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny then Slight Chance Snow Showers
Sunny
Driving Route Map
The map below follows the saved road route between Vail and Thornton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Vail and Thornton.
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1
Start on Wall Street
46 m · 12 sec · Wall Street
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2
Turn left onto Gore Creek Drive
122 m · 18 sec · Gore Creek Drive
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3
Turn slight right onto Willow Bridge Road
146 m · 23 sec · Willow Bridge Road
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4
Turn right onto East Meadow Drive
97 m · 17 sec · East Meadow Drive
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5
Turn left onto Village Center Drive
85 m · 18 sec · Village Center Drive
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6
At the end of the road, turn left onto South Frontage Road East
700 ft · 24 sec · South Frontage Road East
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7
Take the ramp slight right
1391 ft · 34 sec
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8
Merge slight left onto Gerald R. Ford Memorial Highway
14.8 mi · 17 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 Vail 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.
Sunny then Slight Chance Snow Showers leaving Vail and Sunny near Thornton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Vail to Thornton?
The road trip is about 104 miles (167.3 km) and usually takes 01h 50m 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?
Georgetown is a useful midpoint, sitting about 51.9 miles from Vail and 52 miles from Thornton.
How much longer is the road route than the straight-line distance?
The direct path is about 76.1 miles (122.5 km), while the road route adds roughly 27.9 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 2:50 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.57 one way or $27.14 round trip. Estimated CO2 is about 32.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny then Slight Chance Snow Showers around Vail and Sunny near Thornton.
Stop Ideas Near Georgetown
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 Georgetown.
Fraser – Winter Park
Frisco, Colorado
Pine Junction, CO
Granby
Flight Path Map
This map shows the direct air route between Vail and Thornton. Straight-line distance: 76.13 mi (122.52 km).
#1 Vail
Home Rule Municipality in Eagle County, Colorado, United States
| Population | 5,489 |
| Coordinates | 39.6402600, -106.3742000 |
| Altitude | 2496 |
| 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: 167 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 27m |
| 40 mph (64.37 km/h) | 02h 35m |
| 50 mph (80.47 km/h) | 02h 04m |
| 60 mph (96.56 km/h) | 01h 43m |
| 70 mph (112.65 km/h) | 01h 29m |
| 80 mph (129 km/h) | 01h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $13.57 | $27.14 |
| Mid-grade | $4.08 | $14.99 | $29.98 |
| Premium | $4.39 | $16.11 | $32.23 |
| Diesel | $4.74 | $17.38 | $34.77 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.