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Trip from Thornton, CO to Pierce, CO

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

Best Time to Leave

Save up to 19 min
4 AM
1h 18m ★
6 AM
1h 24m
8 AM
1h 37m
10 AM
1h 29m
12 PM
1h 27m
3 PM
1h 29m
5 PM
1h 37m
8 PM
1h 20m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

city in Adams and Weld counties in Colorado, United States

Thornton, CO

Wikimedia Commons

Downtown Pierce, CO, CO

Pierce, CO

Bobby n Lazy Jim

Trip Overview

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.

Who Is This Route For?

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.

Drive Character

Expect a 1h 24m drive with frequent turns across 66.8 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.
There are about 18 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 41.4 miles.

How Hard Is This Drive?

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.

Driving Effort 6/10

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.

Critical Maneuvers

5 of 14 key points

These 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.
5
2 mi into trip | ~4m in

Take the ramp toward I 25 North

Lane positioning matters here

Use the right lane. Toward I 25 North
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.

Main Roads

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
Longest stretch: Dwight D. Eisenhower Highway — 41.4 mi, about 41m

Turn-by-Turn Driving Directions

Step-by-step road directions between Thornton, CO and Pierce, 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

41 mi · 41 min · Dwight D. Eisenhower Highway
Use the straight / slight right lanes.
10

Take the exit

0.3 mi · 36 sec
Exit 269A Toward CO 14 East: Ault
11

Turn straight onto CO 14

0.8 mi · 1 min · East Mulberry Street
Use the straight lane.
12

Continue on CO 14

10.0 mi · 16 min · East Highway 14
Use the straight lane.
13

Turn left onto County Road 29

3.0 mi · 4 min · County Road 29
14

Turn right onto County Road 88

1.7 mi · 5 min · County Road 88
15

Turn left onto 5th Street

0.7 mi · 1 min · 5th Street
16

Turn right onto West Main Avenue

0.2 mi · 34 sec · West Main Avenue
17

Turn left onto 2nd Street

33 ft · 1 sec · 2nd Street
18

Arrive at destination

2nd Street

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 33.4 mi from Thornton, CO · 37m into the drive

Downtown Johnstown, CO, CO

Mid-route town

Meal stop

Johnstown, CO

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.

Pacing Suggestions

Frederick, CO

Fuel and coffee

A short stop after about 15 miles helps settle the day before fatigue starts building.

Johnstown, CO

Meal break

The midpoint is around 33.4 miles from Thornton, CO, which is a good place for a longer meal and fuel stop.

Arriving in Pierce, CO

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.

Fuel & Cost

Regular Gas

$10.06 one way

$20.13 round trip

$3.83/gal 25.4 MPG avg 23 kg CO2
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.

Travel Intel

Current conditions at both ends of the drive.

Forecast as of Apr 15, 2026

Origin

Thornton, CO

Morning in Thornton on Friday

Local time

6:04 AM

MDT

Current temp

46°F

Unavailable

Live forecast

Destination

Pierce, CO

Morning in Pierce on Friday

Local time

6:04 AM

MDT

Current temp

78°F

Unavailable

Live forecast

80°F

Johnstown, CO

33 mi in

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

32 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

1h 24m 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 Pierce, CO covers 66.8 miles and takes about 1h 24m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.

The main roads are Dwight D. Eisenhower Highway, East Highway 14, North Valley Highway. Expect a mix of highway and local road driving.

This is a comfortable same-day trip.

The midpoint is about 33.4 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 $10.06 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 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.

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.

The route from Thornton, CO to Pierce, CO does not surface many named destination signs beyond the main corridor.

How this page is built

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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