How far is Olathe, CO from Thornton, CO?
The driving distance from Olathe, CO to Thornton, CO is about 293.3 miles (472 km), with a travel time of about 04h 48m by car.
- The straight-line flight distance is about 183.2 miles (294.8 km).
- For a round trip, plan for roughly 09h 36m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 48m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 of the 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 Olathe and Thornton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Olathe and Thornton.
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1
Start on the route
72 m · 20 sec
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2
Turn right onto South Horton Avenue
53 m · 12 sec · South Horton Avenue
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3
Turn right onto South 5th Street
1588 ft · 39 sec · South 5th Street
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4
Turn left onto South Highway 50 Business Loop
1.4 km · 1 min · South Highway 50 Business Loop
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5
Turn right onto Highway 50 Bypass
90 m · 7 sec · Highway 50 Bypass
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6
Continue straight
9.5 mi · 12 min
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7
Turn left onto Confluence Drive
1.4 km · 2 min · Confluence Drive
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8
Turn left onto West 5th Street
1105 ft · 27 sec · West 5th Street
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9
Continue on G Road
1.6 mi · 3 min · G Road
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10
Continue on G Road
1.2 km · 1 min · G Road
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11
Continue on G50 Road
2.1 mi · 3 min · G50 Road
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12
At the end of the road, turn left
14.8 mi · 17 min
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13
Continue straight
11.6 mi · 15 min
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14
Continue on 32 Road
5.4 mi · 9 min · 32 Road
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15
Turn right
1386 ft · 34 sec
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16
Continue straight
1.4 km · 1 min
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17
Keep slight right to continue on I 70 East: Denver
233.3 mi · 4 hr 22 min
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18
Keep slight left to continue on Heartland Expressway
5.1 mi · 6 min · Heartland Expressway
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19
Take the exit slight right toward I 25: Fort Collins, Colorado Springs
1098 ft · 21 sec
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20
Keep slight left to continue on I 25 North: Fort Collins
1.4 mi · 3 min
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21
Merge slight left onto North Valley Highway
1.4 km · 1 min · North Valley Highway
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22
Keep slight right to continue on North Valley Highway
1.3 mi · 2 min · North Valley Highway
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23
Take the exit slight right toward Thornton Parkway
2280 ft · 43 sec
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24
Turn right onto Thornton Parkway
1.4 km · 2 min · Thornton Parkway
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25
Turn right onto Dorothy Boulevard
1077 ft · 51 sec · Dorothy Boulevard
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26
Turn right
36 m · 9 sec
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27
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Olathe 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.
I 70 East
Keep slight right to continue on I 70 East: Denver
233 mi · 04h 22m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving Olathe and Sunny near Thornton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Olathe to Thornton?
The road trip is about 293.3 miles (472 km) and usually takes 04h 48m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Gypsum is a useful midpoint, sitting about 146.4 miles from Olathe and 146.9 miles from Thornton.
How much longer is the road route than the straight-line distance?
The direct path is about 183.2 miles (294.8 km), while the road route adds roughly 110.1 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 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 7:24 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $38.27 one way or $76.55 round trip. Estimated CO2 is about 92 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Olathe and Sunny near Thornton.
Stop Ideas Near Gypsum
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 Gypsum.
Glenwood Springs
Vail, Colorado
Frisco, Colorado
Fairplay, CO
Flight Path Map
This map shows the direct air route between Olathe and Thornton. Straight-line distance: 183.21 mi (294.84 km).
#1 Olathe
Human settlement in Montrose County, Colorado, United States of America
| Population | 1,824 |
| Coordinates | 38.6049900, -107.9822900 |
| Altitude | 1633 |
| 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: 472 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 46m |
| 40 mph (64.37 km/h) | 07h 19m |
| 50 mph (80.47 km/h) | 05h 51m |
| 60 mph (96.56 km/h) | 04h 53m |
| 70 mph (112.65 km/h) | 04h 11m |
| 80 mph (129 km/h) | 03h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $38.27 | $76.55 |
| Mid-grade | $4.08 | $42.27 | $84.54 |
| Premium | $4.39 | $45.45 | $90.89 |
| Diesel | $4.74 | $49.03 | $98.06 |
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.