How far is Breckenridge, CO from Thornton, CO?
The driving distance from Breckenridge, CO to Thornton, CO is about 87.4 miles (140.6 km), with a travel time of about 01h 41m by car.
- The straight-line flight distance is about 62.7 miles (100.9 km).
- For a round trip, plan for roughly 03h 23m 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 41m.
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.
City in Clear Creek County, Colorado, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Breckenridge and Thornton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Breckenridge and Thornton.
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1
Start on South Pine Street
598 ft · 28 sec · South Pine Street
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2
Turn right onto Royal Tiger Road
1910 ft · 1 min · Royal Tiger Road
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3
Turn left onto Wellington Road
1869 ft · 57 sec · Wellington Road
-
4
Turn right onto North French Street
1458 ft · 40 sec · North French Street
-
5
Turn slight right
54 m · 10 sec
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6
Turn right onto Main Street
1127 ft · 48 sec · Main Street
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7
Enter the roundabout and take exit 1 toward Main Street
33 m · 3 sec · Main Street
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8
Exit the roundabout onto Main Street
1313 ft · 34 sec · Main Street
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9
Continue on Highway 9
2.2 mi · 4 min · Highway 9
-
10
Enter the roundabout and take exit 2 toward the route
32 m · 2 sec
-
11
Exit the roundabout
1397 ft · 28 sec
-
12
Continue straight
4.8 mi · 8 min
-
13
Enter the roundabout and take exit 2 toward the route
35 m · 2 sec
-
14
Exit the roundabout
1828 ft · 35 sec
-
15
Enter the roundabout and take exit 1 toward Summit Boulevard
29 m · 2 sec · Summit Boulevard
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16
Exit the roundabout onto Summit Boulevard
1.2 mi · 3 min · Summit Boulevard
-
17
Take the ramp straight
8.5 mi · 12 min
-
18
Continue straight
57.9 mi · 1 hr 9 min
-
19
Keep slight left to continue on Heartland Expressway
5.1 mi · 6 min · Heartland Expressway
-
20
Take the exit slight right toward I 25: Fort Collins, Colorado Springs
1098 ft · 21 sec
-
21
Keep slight left to continue on I 25 North: Fort Collins
1.4 mi · 3 min
-
22
Merge slight left onto North Valley Highway
1.4 km · 1 min · North Valley Highway
-
23
Keep slight right to continue on North Valley Highway
1.3 mi · 2 min · North Valley Highway
-
24
Take the exit slight right toward Thornton Parkway
2280 ft · 43 sec
-
25
Turn right onto Thornton Parkway
1.4 km · 2 min · Thornton Parkway
-
26
Turn right onto Dorothy Boulevard
1077 ft · 51 sec · Dorothy Boulevard
-
27
Turn right
36 m · 9 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 Breckenridge and Thornton.
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.
Summit Boulevard
Continue straight
57.9 mi · 01h 09m
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 leaving Breckenridge and Sunny near Thornton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Breckenridge to Thornton?
The road trip is about 87.4 miles (140.6 km) and usually takes 01h 41m 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 43.7 miles from Breckenridge and 43.7 miles from Thornton.
How much longer is the road route than the straight-line distance?
The direct path is about 62.7 miles (100.9 km), while the road route adds roughly 24.7 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 3:06 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.39 one way or $22.78 round trip. Estimated CO2 is about 27.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Breckenridge and Sunny near Thornton.
Stop Ideas Near Idaho Springs
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 Idaho Springs.
Pine Junction, CO
Fraser – Winter Park
Boulder, Colorado
Union Station
Flight Path Map
This map shows the direct air route between Breckenridge and Thornton. Straight-line distance: 62.68 mi (100.88 km).
#1 Breckenridge
Town in Colorado, USA
| Population | 4,954 |
| Coordinates | 39.4816500, -106.0383500 |
| Altitude | 2965 |
| 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: 141 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 54m |
| 40 mph (64.37 km/h) | 02h 11m |
| 50 mph (80.47 km/h) | 01h 44m |
| 60 mph (96.56 km/h) | 01h 27m |
| 70 mph (112.65 km/h) | 01h 14m |
| 80 mph (129 km/h) | 01h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $11.39 | $22.78 |
| Mid-grade | $4.08 | $12.58 | $25.16 |
| Premium | $4.39 | $13.52 | $27.05 |
| Diesel | $4.74 | $14.59 | $29.18 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.