Origin
Thornton, CO
Morning in Thornton on Friday
Local time
6:04 AM
MDT
Current temp
46°F
Unavailable
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
1h 24m
Distance
66.8 mi
108 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$10
one way
EV Charging
Unknown
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Thornton, CO
Wikimedia Commons
Pierce, CO
Bobby n Lazy Jim
The drive from Thornton, CO to Pierce, CO covers 66.8 miles and takes about 1h 24m 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, East Highway 14, North Valley Highway for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 41.4 miles on Dwight D. Eisenhower Highway. At current regular gas prices, budget about $10.06 one way before food or hotel costs.
Weekend Trip
Doable as a same-day drive at 1h 24m. Total distance: 66.8 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 24m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Turn-heavy local drive route profile.
Expect a 1h 24m drive with frequent turns across 66.8 miles of local and secondary roads.
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 14 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near Dorothy Boulevard.
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 66.8 miles you will encounter 14 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
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.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn left onto Dorothy Boulevard
Navigation decision point
At end of road, turn left onto Thornton Parkway
Navigation decision point
Turn right onto Washington Street
Lane positioning matters here
Take the ramp toward I 25 North
Lane positioning matters here
Keep slight right at fork onto I 25 / North Valley Highway
Highway fork - watch signs carefully. Lane positioning matters here
| Road | Distance | Duration |
|---|---|---|
| Dwight D. Eisenhower Highway | 41.4 mi | 41m |
| East Highway 14 | 10 mi | 16m |
| North Valley Highway | 6.4 mi | 7m |
| County Road 29 | 3 mi | 4m |
| County Road 88 | 1.7 mi | 5m |
| Washington Street | 1 mi | 2m |
| East Mulberry Street | 0.8 mi | 1m |
| 5th Street | 0.7 mi | 1m |
Step-by-step road directions between Thornton, CO and Pierce, CO.
Start on this road
Turn left onto Dorothy Boulevard
At end of road, turn left onto Thornton Parkway
Turn right onto Washington Street
Turn left onto East 104th Avenue
Take the ramp
Merge onto I 25
Keep slight right at fork onto I 25
Continue on I 25
Take the exit
Turn straight onto CO 14
Continue on CO 14
Turn left onto County Road 29
Turn right onto County Road 88
Turn left onto 5th Street
Turn right onto West Main Avenue
Turn left onto 2nd Street
Arrive at destination
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 33.4 mi from Thornton, CO · 37m into the drive
Mid-route town
Meal stop
33 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 15 miles helps settle the day before fatigue starts building.
The midpoint is around 33.4 miles from Thornton, CO, which is a good place for a longer meal and fuel stop.
The final approach into Pierce, CO usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$10.06 one way
$20.13 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.05 | $10.66 | $21.31 |
| premium | $4.39 | $11.56 | $23.11 |
| diesel | $5.61 | $14.75 | $29.50 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$10
Estimated CO2 emission: 23.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $7 in charging · 0 stops · 65% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 20 | 0 | $7.01 | $3.21 |
| Efficient EV | 16.7 | 0 | $5.85 | $2.67 |
| EV Truck/SUV | 26.7 | 0 | $9.35 | $4.28 |
Gas CO2
23 kg
EV CO2
8 kg (65% 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.
Current conditions at both ends of the drive.
Origin
Morning in Thornton on Friday
Local time
6:04 AM
MDT
Current temp
46°F
Unavailable
Destination
Morning in Pierce on Friday
Local time
6:04 AM
MDT
Current temp
78°F
Unavailable
80°F
Johnstown, CO
33 mi in
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
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.
Compiled and maintained by the Trip.ovh planning team at COD Solutions Oy (Helsinki). Each route is built from authoritative open government and mapping datasets rather than crowdsourced reviews. Distances and geometry come from OSRM over OpenStreetMap. Fuel cost uses EIA weekly regional averages. Pages are published only after passing our data-quality checks; our methodology page documents refresh cadence, editorial standards, and known limitations.
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