How far is Thornton, CO from Byers, CO?
The driving distance from Thornton, CO to Byers, CO is about 47.2 miles (75.9 km), with a travel time of about 00h 56m by car.
- The straight-line flight distance is about 40.9 miles (65.9 km).
- For a round trip, plan for roughly 01h 52m 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 56m.
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.
The third most populous city in Colorado and the center of the Denver metropolitan area.
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 Thornton and Byers.
Turn-by-Turn Driving Directions
Step-by-step road directions between Thornton and Byers.
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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
1.3 km · 1 min · North Valley Highway
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7
Take the exit slight left toward I 270 East: Aurora, Limon
3003 ft · 1 min
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8
Merge slight right onto Dwight D. Eisenhower Highway
6.7 mi · 9 min · Dwight D. Eisenhower Highway
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9
Merge slight left onto Tuskegee Airmen Memorial Highway
3.8 mi · 5 min · Tuskegee Airmen Memorial Highway
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10
Keep slight left to continue on Tuskegee Airmen Memorial Highway
2.4 mi · 3 min · Tuskegee Airmen Memorial Highway
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11
Continue on Dwight D. Eisenhower Highway
29.3 mi · 29 min · Dwight D. Eisenhower Highway
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12
Take the exit slight right toward US 36 East: Byers
1962 ft · 40 sec
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13
Turn right onto North Main Street
1218 ft · 48 sec · North Main Street
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14
Turn right
1206 ft · 30 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 Thornton and Byers.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Dwight D. Eisenhower Highway
Continue on Dwight D. Eisenhower Highway
29.3 mi · 00h 29m
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.
Sunny leaving Thornton and Sunny near Byers.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Thornton to Byers?
The road trip is about 47.2 miles (75.9 km) and usually takes 00h 56m 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?
Aurora is a useful midpoint, sitting about 23.5 miles from Thornton and 23.6 miles from Byers.
How much longer is the road route than the straight-line distance?
The direct path is about 40.9 miles (65.9 km), while the road route adds roughly 6.3 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 4:38 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.14 one way or $12.28 round trip. Estimated CO2 is about 14.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Thornton and Sunny near Byers.
Stop Ideas Near Aurora
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Fairplay Park
Aurora City Water Resources
Aurora Municipal Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Aurora.
Denver (Bus Station), Colorado
Union Station
Boulder, Colorado
Longmont, Colorado
Flight Path Map
This map shows the direct air route between Thornton and Byers. Straight-line distance: 40.97 mi (65.93 km).
#1 Thornton
The seventh most populous city in Colorado.
| Population | 148,113 |
| Coordinates | 39.8680400, -104.9719200 |
| Altitude | 1631 |
| Country | United States |
#2 Byers
City in Arapahoe County, Colorado, United States
| Population | 1,160 |
| Coordinates | 39.7113700, -104.2277400 |
| Altitude | 1586 |
| Country | United States |
End: Byers (-104.22774, 39.71137)
Estimated Travel Time
Distance: 76 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 34m |
| 40 mph (64.37 km/h) | 01h 10m |
| 50 mph (80.47 km/h) | 00h 56m |
| 60 mph (96.56 km/h) | 00h 47m |
| 70 mph (112.65 km/h) | 00h 40m |
| 80 mph (129 km/h) | 00h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.70 | $6.14 | $12.28 |
| Mid-grade | $4.08 | $6.78 | $13.56 |
| Premium | $4.39 | $7.29 | $14.58 |
| Diesel | $4.74 | $7.86 | $15.73 |
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.