How far is Thornton, CO from Sheridan, CO?
The driving distance from Thornton, CO to Sheridan, CO is about 18.9 miles (30.4 km), with a travel time of about 00h 28m by car.
- The straight-line flight distance is about 15.5 miles (25 km).
- For a round trip, plan for roughly 00h 57m 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 28m.
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.
The twentieth most populous city in the United States and the center of the Denver metropolitan area.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Thornton and Sheridan.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thornton and Sheridan.
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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
10.2 mi · 14 min · North Valley Highway
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7
Take the exit slight right toward US 85: Santa Fe Drive
4.2 mi · 6 min
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8
Take the exit slight right toward US 285 South
1304 ft · 36 sec
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9
Merge slight left onto West Hampden Avenue
1.4 km · 1 min · West Hampden Avenue
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10
Take the exit slight right toward CO 88
777 ft · 22 sec
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11
Keep slight left to continue on CO 88 South
47 m · 12 sec
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12
Turn left onto South Federal Boulevard
2023 ft · 36 sec · South Federal Boulevard
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13
Arrive at your destination
0 m · 1 sec · South Federal Boulevard
Car Route Details
A richer read on the saved driving route between Thornton and Sheridan.
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.
North Valley Highway
Keep slight right to continue on North Valley Highway
10.2 mi · 00h 14m
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.
Sunny leaving Thornton and Mostly Cloudy near Sheridan.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thornton to Sheridan?
The road trip is about 18.9 miles (30.4 km) and usually takes 00h 28m 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?
Denver is a useful midpoint, sitting about 9.4 miles from Thornton and 9.4 miles from Sheridan.
How much longer is the road route than the straight-line distance?
The direct path is about 15.5 miles (25 km), while the road route adds roughly 3.4 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 7:32 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.48 one way or $4.96 round trip. Estimated CO2 is about 6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Thornton and Mostly Cloudy near Sheridan.
Stop Ideas Near Denver
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 Denver.
Denver (Bus Station), Colorado
Union Station
Boulder, Colorado
Pine Junction, CO
Flight Path Map
This map shows the direct air route between Thornton and Sheridan. Straight-line distance: 15.54 mi (25.01 km).
#1 Thornton
The seventh most populous city in Colorado.
| Population | 148,113 |
| Coordinates | 39.8680400, -104.9719200 |
| Altitude | 1631 |
| Country | United States |
#2 Sheridan
City in State of Colorado, United States
| Population | 6,027 |
| Coordinates | 39.6469300, -105.0252600 |
| Altitude | 1623 |
| Country | United States |
End: Sheridan (-105.02526, 39.64693)
Estimated Travel Time
Distance: 30 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 37m |
| 40 mph (64.37 km/h) | 00h 28m |
| 50 mph (80.47 km/h) | 00h 22m |
| 60 mph (96.56 km/h) | 00h 18m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $2.48 | $4.96 |
| Mid-grade | $4.08 | $2.74 | $5.47 |
| Premium | $4.39 | $2.94 | $5.88 |
| Diesel | $4.74 | $3.17 | $6.35 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.