How far is Genesee, CO from Thornton, CO?
The driving distance from Genesee, CO to Thornton, CO is about 25.7 miles (41.3 km), with a travel time of about 00h 35m by car.
- The straight-line flight distance is about 20.3 miles (32.7 km).
- For a round trip, plan for roughly 01h 10m 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 35m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
The second most populous city in Jefferson County, Colorado.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain And Snow Showers then Chance T-storms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Genesee and Thornton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Genesee and Thornton.
-
1
Start on the route
655 ft · 52 sec
-
2
Turn right onto Shooting Star Drive
2079 ft · 2 min · Shooting Star Drive
-
3
Turn right onto Genesee Ridge Road
1.9 mi · 5 min · Genesee Ridge Road
-
4
Take the ramp straight toward I 70 East
1707 ft · 41 sec
-
5
Merge slight left
12.4 mi · 14 min
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6
Keep slight left to continue on Heartland Expressway
5.1 mi · 6 min · Heartland Expressway
-
7
Take the exit slight right toward I 25: Fort Collins, Colorado Springs
1098 ft · 21 sec
-
8
Keep slight left to continue on I 25 North: Fort Collins
1.4 mi · 3 min
-
9
Merge slight left onto North Valley Highway
1.4 km · 1 min · North Valley Highway
-
10
Keep slight right to continue on North Valley Highway
1.3 mi · 2 min · North Valley Highway
-
11
Take the exit slight right toward Thornton Parkway
2280 ft · 43 sec
-
12
Turn right onto Thornton Parkway
1.4 km · 2 min · Thornton Parkway
-
13
Turn right onto Dorothy Boulevard
1077 ft · 51 sec · Dorothy Boulevard
-
14
Turn right
36 m · 9 sec
-
15
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Genesee 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 70 East
Merge slight left
12.4 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.
Rain And Snow Showers then Chance T-storms leaving Genesee 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 Genesee to Thornton?
The road trip is about 25.7 miles (41.3 km) and usually takes 00h 35m 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?
Arvada is a useful midpoint, sitting about 12.8 miles from Genesee and 12.9 miles from Thornton.
How much longer is the road route than the straight-line distance?
The direct path is about 20.3 miles (32.7 km), while the road route adds roughly 5.4 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 7:20 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.37 one way or $6.73 round trip. Estimated CO2 is about 8.1 kg one way.
What should you check before leaving?
Before you leave, expect Rain And Snow Showers then Chance T-storms around Genesee and Showers And Thunderstorms near Thornton.
Stop Ideas Near Arvada
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Municipal Court Park
Denver City Council
Town Hall Arts Center
City of Littleton
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Arvada.
Union Station
Denver (Bus Station), Colorado
Boulder, Colorado
Longmont, Colorado
Flight Path Map
This map shows the direct air route between Genesee and Thornton. Straight-line distance: 20.34 mi (32.73 km).
#1 Genesee
City in Idaho
| Population | 3,609 |
| Coordinates | 39.6858200, -105.2727700 |
| Altitude | 2331 |
| 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: 41 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 51m |
| 40 mph (64.37 km/h) | 00h 38m |
| 50 mph (80.47 km/h) | 00h 30m |
| 60 mph (96.56 km/h) | 00h 25m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $3.37 | $6.73 |
| Mid-grade | $4.08 | $3.72 | $7.43 |
| Premium | $4.39 | $4.00 | $7.99 |
| Diesel | $4.74 | $4.31 | $8.62 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.