How far is Thornton, CO from Superior, CO?
The driving distance from Thornton, CO to Superior, CO is about 14.7 miles (23.7 km), with a travel time of about 00h 24m by car.
- The straight-line flight distance is about 11.9 miles (19.2 km).
- For a round trip, plan for roughly 00h 49m 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 24m.
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.
A city in Broomfield County, Colorado.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Snow Showers
Chance Snow Showers
Driving Route Map
The map below follows the saved road route between Thornton and Superior.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thornton and Superior.
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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
2 mi · 4 min · Thornton Parkway
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4
Continue on West 92nd Avenue
2.5 mi · 6 min · West 92nd Avenue
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5
Turn left onto Sheridan Boulevard
1076 ft · 24 sec · Sheridan Boulevard
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6
Take the ramp slight right toward US 36 West: Boulder
1742 ft · 36 sec
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7
Keep slight left to continue on US 36 West
876 ft · 23 sec
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8
Merge slight left onto Denver–Boulder Turnpike
1.5 km · 1 min · Denver–Boulder Turnpike
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9
Keep slight right to continue on Denver–Boulder Turnpike
1.9 mi · 2 min · Denver–Boulder Turnpike
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10
Keep slight right to continue on Denver–Boulder Turnpike
2.1 mi · 2 min · Denver–Boulder Turnpike
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11
Keep slight right to continue on Denver–Boulder Turnpike
2.9 mi · 3 min · Denver–Boulder Turnpike
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12
Keep slight right to continue on Denver–Boulder Turnpike
3093 ft · 40 sec · Denver–Boulder Turnpike
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13
Take the exit slight right toward CO 170 West: McCaslin Boulevard
1595 ft · 30 sec
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14
Keep slight left to continue on McCaslin Boulevard South
66 m · 6 sec
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15
Turn slight left onto South McCaslin Boulevard
1521 ft · 43 sec · South McCaslin Boulevard
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16
Turn right onto East Coal Creek Drive
678 ft · 35 sec · East Coal Creek Drive
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17
Turn left onto 2nd Avenue
539 ft · 26 sec · 2nd Avenue
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18
Turn right
43 m · 10 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 Thornton and Superior.
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.
Denver–Boulder Turnpike
Keep slight right to continue on Denver–Boulder Turnpike
2.89 mi · 00h 03m
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.
Slight Chance Snow Showers leaving Thornton and Chance Snow Showers near Superior.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thornton to Superior?
The road trip is about 14.7 miles (23.7 km) and usually takes 00h 24m 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?
Broomfield is a useful midpoint, sitting about 7.4 miles from Thornton and 7.4 miles from Superior.
How much longer is the road route than the straight-line distance?
The direct path is about 11.9 miles (19.2 km), while the road route adds roughly 2.8 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 7:40 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $1.92 one way or $3.85 round trip. Estimated CO2 is about 4.6 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Snow Showers around Thornton and Chance Snow Showers near Superior.
Stop Ideas Near Broomfield
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Municipal Court Park
Denver City Council
Lafayette City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Broomfield.
Union Station
Denver (Bus Station), Colorado
Boulder, Colorado
Longmont, Colorado
Flight Path Map
This map shows the direct air route between Thornton and Superior. Straight-line distance: 11.96 mi (19.24 km).
#1 Thornton
The seventh most populous city in Colorado.
| Population | 148,113 |
| Coordinates | 39.8680400, -104.9719200 |
| Altitude | 1631 |
| Country | United States |
#2 Superior
Statutory Town in Boulder and Jefferson counties in the U.
| Population | 13,413 |
| Coordinates | 39.9527600, -105.1686000 |
| Altitude | 1675 |
| Country | United States |
End: Superior (-105.1686, 39.95276)
Estimated Travel Time
Distance: 24 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 29m |
| 40 mph (64.37 km/h) | 00h 22m |
| 50 mph (80.47 km/h) | 00h 17m |
| 60 mph (96.56 km/h) | 00h 14m |
| 70 mph (112.65 km/h) | 00h 12m |
| 80 mph (129 km/h) | 00h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $1.92 | $3.85 |
| Mid-grade | $4.08 | $2.12 | $4.25 |
| Premium | $4.39 | $2.28 | $4.57 |
| Diesel | $4.74 | $2.46 | $4.93 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.