Origin
Thornton, CO
Late night in Thornton on Saturday
Local time
12:27 AM
MDT
Current temp
46°F
Unavailable
Live forecast
Trip from Thornton, CO to Johnstown, CO
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
43m
Distance
36.9 mi
59 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$6
one way
EV Charging
Sparse
1 stations
Best Time to Leave
4 AM
0h 40m
★
6 AM
0h 44m
8 AM
0h 51m
10 AM
0h 46m
12 PM
0h 46m
3 PM
0h 47m
5 PM
0h 51m
8 PM
0h 42m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Thornton, CO
Wikimedia Commons
Johnstown, CO
Brady Wilson
Trip Overview
The drive from Thornton, CO to Johnstown, CO covers 36.9 miles and takes about 43m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Dwight D. Eisenhower Highway, North Valley Highway, West South 1st Street for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 24.2 miles on Dwight D. Eisenhower Highway. At current regular gas prices, budget about $5.56 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 43m. Total distance: 36.9 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
43m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Turn-heavy local drive route profile.
Drive Character
Expect a 43m drive with frequent turns across 36.9 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 14 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Dwight D. Eisenhower Highway is the longest continuous segment at about 24.2 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near Dorothy Boulevard.
Driving Effort
8/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 11 decision points packed into just 36.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 43m.
Where does it get tricky?
The main spots that need attention: near the start (Dorothy Boulevard): Navigation decision point; at 0.2 miles (Thornton Parkway): Navigation decision point; at 0.6 miles (Washington Street): Lane positioning matters here.
Critical Maneuvers
5 of 11 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0 mi into trip
|
~0m in
|
Dorothy Boulevard
Turn left onto Dorothy Boulevard
Navigation decision point
5
0.2 mi into trip
|
~1m in
|
Thornton Parkway
At end of road, turn left onto Thornton Parkway
Navigation decision point
6
0.6 mi into trip
|
~1m in
|
Washington Street
Turn right onto Washington Street
Lane positioning matters here
Use the right lane.
6
3.4 mi into trip
|
~6m in
|
I 25 / North Valley Highway
Keep slight right at fork onto I 25 / North Valley Highway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / right lanes.
6
32.9 mi into trip
|
~36m in
Take the exit toward CO 60 East: Johnstown, Milliken
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 252
Toward CO 60 East: Johnstown, Milliken
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Thornton, CO to Johnstown, CO, road signs begin pointing toward Milliken along the way.
Milliken
32.9 mi in
|
~36m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Dwight D. Eisenhower Highway | 24.2 mi | 24m |
| North Valley Highway | 6.4 mi | 7m |
| West South 1st Street | 3.5 mi | 5m |
| Washington Street | 1 mi | 2m |
| East 104th Avenue | 0.5 mi | <1m |
| Thornton Parkway | 0.3 mi | <1m |
| Dorothy Boulevard | 0.2 mi | <1m |
| South Estes Avenue | 0.2 mi | <1m |
Longest stretch:
Dwight D. Eisenhower Highway
— 24.2 mi, about 24m
Turn-by-Turn Driving Directions
Step-by-step road directions between Thornton, CO and Johnstown, CO.
1
Start on this road
76 ft
·
12 sec
·
this road
2
Turn left onto Dorothy Boulevard
0.2 mi
·
58 sec
·
Dorothy Boulevard
3
At end of road, turn left onto Thornton Parkway
0.3 mi
·
43 sec
·
Thornton Parkway
4
Turn right onto Washington Street
1.0 mi
·
2 min
·
Washington Street
Use the right lane.
5
Turn left onto East 104th Avenue
0.5 mi
·
57 sec
·
East 104th Avenue
Use the left / straight lanes.
6
Take the ramp
0.3 mi
·
25 sec
Toward I 25 North
Use the right lane.
7
Merge onto I 25
1.1 mi
·
1 min
·
North Valley Highway
8
Keep slight right at fork onto I 25
5.3 mi
·
5 min
·
North Valley Highway
Use the straight / right lanes.
9
Continue on I 25
24 mi
·
24 min
·
Dwight D. Eisenhower Highway
Use the straight / slight right lanes.
10
Take the exit
0.3 mi
·
41 sec
Exit 252
Toward CO 60 East: Johnstown, Milliken
11
Keep slight right at fork
276 ft
·
6 sec
12
Turn straight onto CO 60
3.5 mi
·
5 min
·
West South 1st Street
Use the straight lane.
13
Turn left onto South Estes Avenue
0.2 mi
·
34 sec
·
South Estes Avenue
14
Arrive at destination
North Estes Avenue
Fuel & Cost
Regular Gas
$5.56 one way
$11.12 round trip
$3.83/gal
25.4 MPG avg
13 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.05 | $5.89 | $11.77 |
| premium | $4.39 | $6.38 | $12.77 |
| diesel | $5.61 | $8.15 | $16.29 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$6
Estimated CO2 emission: 12.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $4 in charging · 0 stops · 69% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 11.1 | 0 | $3.87 | $1.77 |
| Efficient EV | 9.2 | 0 | $3.23 | $1.48 |
| EV Truck/SUV | 14.8 | 0 | $5.17 | $2.36 |
Gas CO2
13 kg
EV CO2
4 kg (69% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Johnstown, CO
Late night in Johnstown on Saturday
Local time
12:27 AM
MDT
Current temp
80°F
Unavailable
Live forecast
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
34 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
43m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Thornton, CO to Johnstown, CO covers 36.9 miles and takes about 43m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Dwight D. Eisenhower Highway, North Valley Highway, West South 1st Street. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 18.5 miles from Thornton, CO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $5.56 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a short but busy drive. With 11 decision points packed into just 36.9 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 43m.
The main spots that need attention: near the start (Dorothy Boulevard): Navigation decision point; at 0.2 miles (Thornton Parkway): Navigation decision point; at 0.6 miles (Washington Street): Lane positioning matters here.
On the drive from Thornton, CO to Johnstown, CO, road signs begin pointing toward Milliken along the way.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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