How far is Julesburg, CO from Thornton, CO?

The driving distance from Julesburg, CO to Thornton, CO is about 176.7 miles (284.4 km), with a travel time of about 02h 36m by car.

  • The straight-line flight distance is about 162.1 miles (260.8 km).
  • For a round trip, plan for roughly 05h 12m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
176.7 mi
02h 36m
Flight
162.07 mi
260.83 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Julesburg.

Flight Distance

Direct air line
162.07 mi
Kilometers
260.83 km
Flight Time
00h 19m

Driving Distance

Road route
176.7 mi
Kilometers
284.37 km
Drive Time
02h 36m

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 02h 36m.

Arrival Snapshot
Arrive in Thornton
Fri, Apr 17, 11:43 PM MDT
Return by in Julesburg
Sat, Apr 18, 2:20 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Julesburg
2026-04-17T21:07
Arrive Thornton
Fri, Apr 17, 11:43 PM MDT
Route Timing
02h 36m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
10:36 AM to 12:36 PM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
1:18 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Julesburg
9:30 PM MDT
Morning start is best

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.

Mid-route stop
Hillrose
CO

Human settlement in Morgan County, Colorado, United States of America

From Julesburg
88.2 mi
01h 18m
To Thornton
88.4 mi
01h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
47°F
Friday

Rain And Snow Showers Likely

Starts
Fri, Apr 17 6:00 AM MDT
Wind
18 to 24 mph N
Destination
47°F
Friday

Rain And Snow Showers

Starts
Fri, Apr 17 6:00 AM MDT
Wind
6 to 15 mph NNE

Driving Route Map

The map below follows the saved road route between Julesburg and Thornton.

Turn-by-Turn Driving Directions

Step-by-step road directions between Julesburg and Thornton.

  1. 1

    Start on Cedar Street

    863 ft · 31 sec · Cedar Street

  2. 2

    Turn left onto East 1st Street

    1882 ft · 35 sec · East 1st Street

  3. 3

    Turn straight

    1355 ft · 53 sec

  4. 4

    Turn right onto US Highway 385

    1.8 mi · 3 min · US Highway 385

  5. 5

    Take the ramp right toward I 76 West: Sterling

    1521 ft · 37 sec

  6. 6

    Merge slight left

    169.3 mi · 2 hr 50 min

  7. 7

    Take the exit slight right toward 88th Avenue

    1390 ft · 37 sec

  8. 8

    Turn right onto East 88th Avenue

    1.5 mi · 3 min · East 88th Avenue

  9. 9

    Turn right onto Colorado Boulevard

    1.6 km · 2 min · Colorado Boulevard

  10. 10

    Turn left onto Thornton Parkway

    1.7 mi · 3 min · Thornton Parkway

  11. 11

    Turn left onto Dorothy Boulevard

    1077 ft · 51 sec · Dorothy Boulevard

  12. 12

    Turn right

    36 m · 9 sec

  13. 13

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Julesburg and Thornton.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
13 steps
8 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
7.4 / 100 mi
Decision points by distance
Main Roads
I 76 West
170 mi · 96%
US Highway 385
1.77 mi · 1%
Thornton Parkway
1.68 mi · 1%
East 88th Avenue
1.47 mi · 1%
Colorado Boulevard
0.99 mi · 1%
East 1st Street
0.36 mi
Longest Stretch

I 76 West

Merge slight left

169 mi · 02h 50m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 36m
Day trip friendly
Same-Day Return
05h 12m
Round-trip wheel time
Road vs Air
+14.6 mi
162.1 mi direct line
Halfway Stop
Hillrose
01h 18m from Julesburg
Leave By
1:18 PM MDT
Morning start is best
Weather Watch

Rain And Snow Showers Likely leaving Julesburg and Rain And Snow Showers near Thornton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Julesburg to Thornton?

The road trip is about 176.7 miles (284.4 km) and usually takes 02h 36m 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?

Hillrose is a useful midpoint, sitting about 88.2 miles from Julesburg and 88.4 miles from Thornton.

How much longer is the road route than the straight-line distance?

The direct path is about 162.1 miles (260.8 km), while the road route adds roughly 14.6 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 1:18 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.04 one way or $46.08 round trip. Estimated CO2 is about 55.4 kg one way.

What should you check before leaving?

Before you leave, expect Rain And Snow Showers Likely around Julesburg and Rain And Snow Showers near Thornton.

Stop Ideas Near Hillrose

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Hillrose, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Hillrose.

RAIL

Fort Morgan

25 mi away
South Ensign St and Main St

Flight Path Map

This map shows the direct air route between Julesburg and Thornton. Straight-line distance: 162.07 mi (260.83 km).

Julesburg

#1 Julesburg

City in Sedgwick County, Colorado, United States of America

Population1,161
Coordinates40.9883300, -102.2643500
Altitude1060
CountryUnited States
Thornton

#2 Thornton

The seventh most populous city in Colorado.

Population148,113
Coordinates39.8680400, -104.9719200
Altitude1631
CountryUnited States
Start: Cedar Street (-102.264165, 40.988431)
End: (-104.971859, 39.868064)

Estimated Travel Time

Distance: 284 km by road

SpeedTime
30 mph (48.3 km/h)05h 53m
40 mph (64.37 km/h)04h 25m
50 mph (80.47 km/h)03h 32m
60 mph (96.56 km/h)02h 56m
70 mph (112.65 km/h)02h 31m
80 mph (129 km/h)02h 12m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.23 gal
23.6 L · about $23.04
Round trip
$46.08
12.46 gal · 47.2 L
Estimated CO2
55.4 kg one way
Round trip: 110.7 kg / 244 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $23.04 $46.08
Mid-grade $4.08 $25.44 $50.89
Premium $4.39 $27.36 $54.71
Diesel $4.74 $29.51 $59.02

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

There is no time difference between Julesburg and Thornton. The current time is 21:07:12.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.