How far is Stonegate, CO from Thornton, CO?
The driving distance from Stonegate, CO to Thornton, CO is about 31.7 miles (51 km), with a travel time of about 00h 42m by car.
- The straight-line flight distance is about 25 miles (40.2 km).
- For a round trip, plan for roughly 01h 25m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 42m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Colorado
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Stonegate and Thornton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Stonegate and Thornton.
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1
Start on Lode Stone Way
890 ft · 45 sec · Lode Stone Way
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2
At the end of the road, turn left onto Quarry Hill Drive
572 ft · 27 sec · Quarry Hill Drive
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3
At the end of the road, turn right onto Stonegate Parkway
716 ft · 22 sec · Stonegate Parkway
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4
Turn left onto East Lincoln Avenue
3.3 mi · 5 min · East Lincoln Avenue
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5
Take the ramp right toward I 25 North: Denver
2622 ft · 1 min
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6
Merge slight left
24.6 mi · 31 min
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7
Keep slight right to continue on North Valley Highway
1.3 mi · 2 min · North Valley Highway
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8
Take the exit slight right toward Thornton Parkway
2280 ft · 43 sec
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9
Turn right onto Thornton Parkway
1.4 km · 2 min · Thornton Parkway
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10
Turn right onto Dorothy Boulevard
1077 ft · 51 sec · Dorothy Boulevard
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11
Turn right
36 m · 9 sec
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12
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Stonegate 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.
I 25 North
Merge slight left
24.6 mi · 00h 31m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Showers And Thunderstorms leaving Stonegate and Showers And Thunderstorms near Thornton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Stonegate to Thornton?
The road trip is about 31.7 miles (51 km) and usually takes 00h 42m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Glendale is a useful midpoint, sitting about 15.8 miles from Stonegate and 15.8 miles from Thornton.
How much longer is the road route than the straight-line distance?
The direct path is about 25 miles (40.2 km), while the road route adds roughly 6.7 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 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:04 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.14 one way or $8.28 round trip. Estimated CO2 is about 10 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Stonegate and Showers And Thunderstorms near Thornton.
Stop Ideas Near Glendale
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Fairplay Park
Denver City Council
Town Hall Arts Center
Municipal Court Park
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Glendale.
Denver (Bus Station), Colorado
Union Station
Pine Junction, CO
Boulder, Colorado
Flight Path Map
This map shows the direct air route between Stonegate and Thornton. Straight-line distance: 24.95 mi (40.16 km).
#1 Stonegate
Census-designated place in Douglas County, Colorado
| Population | 8,962 |
| Coordinates | 39.5308200, -104.8038600 |
| Altitude | 1791 |
| 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: 51 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 03m |
| 40 mph (64.37 km/h) | 00h 47m |
| 50 mph (80.47 km/h) | 00h 38m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $4.14 | $8.28 |
| Mid-grade | $4.08 | $4.57 | $9.15 |
| Premium | $4.39 | $4.92 | $9.84 |
| Diesel | $4.74 | $5.31 | $10.61 |
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 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.