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Trip from Thornton, CO to Derby, CO

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards

Drive Time

13m

Distance

6.5 mi

10 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$1

one way

EV Charging

Good

5 stations

Best Time to Leave

4 AM
0h 12m ★
6 AM
0h 14m
8 AM
0h 16m
10 AM
0h 14m
12 PM
0h 14m
3 PM
0h 14m
5 PM
0h 16m
8 PM
0h 13m

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 Derby, CO, CO

Derby, CO

@coldbeer

Trip Overview

This short 6.5-mile drive from Thornton, CO to Derby, CO should only take about 13 minutes, making it an easy addition to any day. With a minimal fuel cost of around $1, it's an economical trip. The route is recommended for a single day, offering a straightforward journey through the Mountain West region. You'll primarily navigate Thornton Parkway and East 88th Avenue before merging onto US 6. This drive is best suited for those looking for a quick, practical transit rather than an extended scenic adventure.

Main Roads

Road Distance Duration
Thornton Parkway 1.7 mi 3m
East 88th Avenue 1.4 mi 2m
US 6 1.1 mi 2m
Colorado Boulevard 1 mi 1m
Heartland Expressway 0.4 mi <1m
Kimberly Street 0.3 mi 1m
Dorothy Boulevard 0.2 mi <1m
East 77th Avenue 0.2 mi <1m
Longest stretch: Thornton Parkway — 1.7 mi, about 3m

Turn-by-Turn Driving Directions

Step-by-step road directions between Thornton, CO and Derby, CO.

1

Start on this road

76 ft · 12 sec · this road
2

Turn left onto Dorothy Boulevard

0.2 mi · 55 sec · Dorothy Boulevard
3

At end of road, turn right onto Thornton Parkway

1.7 mi · 3 min · Thornton Parkway
Use the straight lane.
4

Turn right onto Colorado Boulevard

1.0 mi · 1 min · Colorado Boulevard
Use the right lane.
5

Turn left onto East 88th Avenue

1.4 mi · 2 min · East 88th Avenue
Use the left / straight lanes.
6

Take the ramp

0.2 mi · 25 sec
Toward I 76 West: Denver
7

Merge onto I 76; US 6; US 85

0.4 mi · 27 sec · Heartland Expressway
8

Take the exit onto US 6; US 85

1.1 mi · 2 min · US 6; US 85
Exit 9 Toward US 6 West, US 85 South: Commerce City Use the slight right lane.
9

Turn left onto East 77th Avenue

0.2 mi · 33 sec · East 77th Avenue
Use the left lane.
10

Turn left onto Kimberly Street

0.3 mi · 1 min · Kimberly Street
11

Arrive at destination

Kimberly Street

Heads-up: tricky spots

5 of 9

5 decision points cluster between mile 0 and 6.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

5
0 mi into trip | ~0m in | Dorothy Boulevard

Turn left onto Dorothy Boulevard

Navigation decision point

7
0.2 mi into trip | ~1m in | Thornton Parkway

At end of road, turn right onto Thornton Parkway

Lane positioning matters here

Use the straight lane.
6
2.9 mi into trip | ~6m in | East 88th Avenue

Turn left onto East 88th Avenue

Lane positioning matters here

Use the left / straight lanes.
8
5 mi into trip | ~9m in | US 6; US 85

Take the exit onto US 6; US 85 toward US 6 West, US 85 South: Commerce City

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 9 Toward US 6 West, US 85 South: Commerce City
6
6.1 mi into trip | ~11m in | East 77th Avenue

Turn left onto East 77th Avenue

Lane positioning matters here

Use the left lane.

Fuel & Cost

Regular Gas

$0.98 one way

$1.96 round trip

$3.83/gal 25.4 MPG avg 2 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.05 $1.04 $2.07
premium $4.39 $1.12 $2.25
diesel $5.61 $1.44 $2.87

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$1

Estimated CO2 emission: 2.3 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $1 in charging · 0 stops · 50% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 2 0 $0.68 $0.31
Efficient EV 1.6 0 $0.57 $0.26
EV Truck/SUV 2.6 0 $0.91 $0.42

Gas CO2

2 kg

EV CO2

1 kg (50% 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 19, 2026

Origin

Thornton, CO

Late night in Thornton on Tuesday

Local time

2:45 AM

MDT

Current temp

36°F

Unavailable

Live forecast

Destination

Derby, CO

Late night in Derby on Tuesday

Local time

2:45 AM

MDT

Current temp

58°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

22 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

13m 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.

What kind of drive is this?

This drive presents a mixed profile, with 49% of the journey on highways. You'll experience a blend of local roads and quicker highway stretches, offering a varied driving experience. The longest continuous segment you'll encounter is 1.7 miles on Thornton Parkway. As you progress, expect the road to transition from more urban-feeling streets to faster-paced highway travel, keeping you engaged without being overly demanding. It's a practical route designed for efficient travel.

49% highway, the rest on surface roads — varied driving throughout.
11 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 1.7 mi on Thornton Parkway.

How Hard Is This Drive?

5/10

This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 9 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 5/10

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 6.5 miles you will encounter 9 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): Lane positioning matters here; at 2.9 miles (East 88th Avenue): Lane positioning matters here.

Who Is This Route For?

Weekend Trip

This is a no-brainer same-day round trip. At just 6.5 miles and 13 minutes, it's a perfect quick escape for a weekend.

Family Friendly

With a 13-minute drive and minimal complexity, this route is totally manageable with kids. It's so short, you won't even need to worry about breaks.

Solo Traveler

This 6.5-mile drive is incredibly comfortable for a solo traveler. You'll be there in about 13 minutes, leaving plenty of time for your actual destination.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

This 6.5-mile drive is very simple with 49% highway driving and a low complexity rating of 5/10. It's a quick 13-minute trip, ideal for building confidence.

Frequently Asked Questions

The longest stretch is about 1.7 miles on Thornton Parkway. The full list of main roads is in the Roads section above.

Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.

The main spots that need attention: near the start (Dorothy Boulevard): Navigation decision point; at 0.2 miles (Thornton Parkway): Lane positioning matters here; at 2.9 miles (East 88th Avenue): Lane positioning matters here.

Yes. A round trip is manageable in a single day if you plan a break at Derby, CO before heading back.

How this page is built

Compiled by the US Trip Planner 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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