How far is Kersey, CO from Thornton, CO?
The driving distance from Kersey, CO to Thornton, CO is about 49.8 miles (80.2 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 41.9 miles (67.5 km).
- For a round trip, plan for roughly 01h 50m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 55m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Statutory Town in Weld County, Colorado, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Kersey and Thornton.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kersey and Thornton.
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1
Start on the route
33 m · 10 sec
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2
Turn right onto 3rd Street
129 m · 24 sec · 3rd Street
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3
Turn left onto Campbell Street
655 ft · 33 sec · Campbell Street
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4
Turn right onto 1st Street
1532 ft · 49 sec · 1st Street
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5
Turn left onto Highway 34
2 mi · 3 min · Highway 34
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6
Turn left onto County Road 49
20 mi · 23 min · County Road 49
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7
Take the ramp right toward I 76 West
901 ft · 22 sec
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8
Merge slight left
23.6 mi · 24 min
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9
Take the exit slight right toward 88th Avenue
1390 ft · 37 sec
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10
Turn right onto East 88th Avenue
1.5 mi · 3 min · East 88th Avenue
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11
Turn right onto Colorado Boulevard
1.6 km · 2 min · Colorado Boulevard
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12
Turn left onto Thornton Parkway
1.7 mi · 3 min · Thornton Parkway
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13
Turn left onto Dorothy Boulevard
1077 ft · 51 sec · Dorothy Boulevard
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14
Turn right
36 m · 9 sec
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15
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Kersey 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 76 West
Merge slight left
23.6 mi · 00h 24m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Clear leaving Kersey and Sunny near Thornton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kersey to Thornton?
The road trip is about 49.8 miles (80.2 km) and usually takes 00h 55m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Hudson is a useful midpoint, sitting about 25.4 miles from Kersey and 24.4 miles from Thornton.
How much longer is the road route than the straight-line distance?
The direct path is about 41.9 miles (67.5 km), while the road route adds roughly 7.9 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 4:40 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.51 one way or $13.02 round trip. Estimated CO2 is about 15.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Kersey and Sunny near Thornton.
Stop Ideas Near Hudson
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Historic Brighton City Hall
Fort Lupton City Hall
Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hudson.
Longmont, Colorado
Denver (Bus Station), Colorado
Union Station
Boulder, Colorado
Flight Path Map
This map shows the direct air route between Kersey and Thornton. Straight-line distance: 41.93 mi (67.48 km).
#1 Kersey
Village and civil parish in Suffolk, UK
| Population | 1,798 |
| Coordinates | 40.3874800, -104.5616300 |
| Altitude | 1407 |
| 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: 80 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 39m |
| 40 mph (64.37 km/h) | 01h 14m |
| 50 mph (80.47 km/h) | 00h 59m |
| 60 mph (96.56 km/h) | 00h 49m |
| 70 mph (112.65 km/h) | 00h 42m |
| 80 mph (129 km/h) | 00h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $6.51 | $13.02 |
| Mid-grade | $4.08 | $7.19 | $14.38 |
| Premium | $4.39 | $7.73 | $15.46 |
| Diesel | $4.74 | $8.34 | $16.67 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.