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Trip from Longmont, CO to Milliken, 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

35m

Distance

25.7 mi

41 km

Drive Score

6/10

Good drive

Same Day?

Yes, doable

Fuel Cost

$4

one way

EV Charging

Unknown

Best Time to Leave

Save up to 9 min
4 AM
0h 33m ★
6 AM
0h 36m
8 AM
0h 42m
10 AM
0h 38m
12 PM
0h 37m
3 PM
0h 38m
5 PM
0h 41m
8 PM
0h 34m

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

city in Boulder County, Colorado, United States

Longmont, CO

Wikimedia Commons

Downtown Milliken, CO, CO

Milliken, CO

Ofspace LLC, Culture

Trip Overview

Longmont to Milliken is 25.7 miles and takes about 35 minutes via Dwight D. Eisenhower Highway, with a fuel budget near $4 and enough daylight to finish in a day. This short hop stays within Colorado and the Mountain West region, making it a convenient local drive. You'll primarily navigate through local roads and highways, so expect a more involved driving experience than a simple interstate cruise. Given its brevity, this trip is ideal for a quick errand or a short scenic detour without requiring an overnight stay.

Main Roads

Road Distance Duration
Dwight D. Eisenhower Highway 11.5 mi 11m
West South 1st Street 6.5 mi 11m
Highway 119 3.1 mi 3m
3rd Avenue 1.8 mi 3m
East Ken Pratt Boulevard 1.6 mi 2m
Collyer Street 0.2 mi <1m
5th Avenue 0.2 mi <1m
South Grace Avenue <0.1 mi <1m
Longest stretch: Dwight D. Eisenhower Highway — 11.5 mi, about 11m

Turn-by-Turn Driving Directions

Step-by-step road directions between Longmont, CO and Milliken, CO.

1

Start on this road

63 ft · 6 sec · this road
2

Turn right onto 5th Avenue

0.2 mi · 47 sec · 5th Avenue
3

Turn right onto Collyer Street

0.2 mi · 41 sec · Collyer Street
4

Turn left onto 3rd Avenue

1.8 mi · 3 min · 3rd Avenue
5

Turn left onto CO 119

1.6 mi · 2 min · East Ken Pratt Boulevard
Use the left lane.
6

Continue on CO 119

3.1 mi · 3 min · Highway 119
Use the left lane.
7

Turn left

0.3 mi · 33 sec
Toward I 25 North Use the left lane.
8

Merge onto I 25

11 mi · 11 min · Dwight D. Eisenhower Highway
9

Take the exit

0.3 mi · 41 sec
Exit 252 Toward CO 60 East: Johnstown, Milliken
10

Keep slight right at fork

276 ft · 6 sec
11

Turn straight onto CO 60

6.5 mi · 11 min · West South 1st Street
Use the straight lane.
12

Turn right onto South Grace Avenue

152 ft · 13 sec · South Grace Avenue
13

Turn left

171 ft · 14 sec
14

Turn right

108 ft · 7 sec
15

Arrive at destination

Heads-up: tricky spots

5 of 12

5 decision points cluster between mile 0 and 25.7 — 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 | 5th Avenue

Turn right onto 5th Avenue

Navigation decision point

5
0.2 mi into trip | ~0m in | Collyer Street

Turn right onto Collyer Street

Navigation decision point

7
6.9 mi into trip | ~10m in

Turn left toward I 25 North

Lane positioning matters here

Use the left lane. Toward I 25 North
6
18.7 mi into trip | ~22m 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
5
25.7 mi into trip | ~35m in

Turn right

Navigation decision point

Fuel & Cost

Regular Gas

$3.87 one way

$7.74 round trip

$3.83/gal 25.4 MPG avg 9 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.05 $4.10 $8.20
premium $4.39 $4.45 $8.89
diesel $5.61 $5.67 $11.35

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$4

Estimated CO2 emission: 9 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $3 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 7.7 0 $2.70 $1.23
Efficient EV 6.4 0 $2.25 $1.03
EV Truck/SUV 10.3 0 $3.60 $1.64

Gas CO2

9 kg

EV CO2

3 kg (67% 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 20, 2026

Origin

Longmont, CO

Late night in Longmont on Tuesday

Local time

3:09 AM

MDT

Current temp

54°F

Unavailable

Live forecast

Destination

Milliken, CO

Late night in Milliken on Tuesday

Local time

3:09 AM

MDT

Current temp

54°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

Very similar conditions

Both ends of the route are sitting at about the same temperature right now.

Road read

35m 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 route presents a turn-heavy local drive, meaning you’ll be making frequent adjustments rather than settling into a long, straight cruise. With only 12% of the drive on highways, much of your time will be spent on surface streets and county roads. The longest uninterrupted stretch you'll encounter is 11.5 miles along the Dwight D. Eisenhower Highway. Be prepared for a dynamic driving experience where you'll transition between different road types, requiring your attention throughout the 35-minute journey.

Only 12% highway — the rest is turn-by-turn surface driving.
15 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 11.5 mi on Dwight D. Eisenhower Highway.

How Hard Is This Drive?

6/10

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 12 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near 5th Avenue.

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 25.7 miles you will encounter 12 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 (5th Avenue): Navigation decision point; at 0.2 miles (Collyer Street): Navigation decision point; at 6.9 miles: Lane positioning matters here.

About the Cities

Starting in Longmont, CO

Full guide →

Longmont is a city of about 100,000 in North Central Colorado. The city lies in Boulder and Weld counties 30 miles (48 km) north-northwest of the Denver.

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 35m. Total distance: 25.7 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

35m drive, comfortable solo distance.

EV Driver

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

Scenic Drive

Mostly surface roads route profile.

Frequently Asked Questions

The longest stretch is about 11.5 miles on Dwight D. Eisenhower Highway. The full list of main roads is in the Roads section above.

It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Milliken, CO before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.

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 (5th Avenue): Navigation decision point; at 0.2 miles (Collyer Street): Navigation decision point; at 6.9 miles: Lane positioning matters here.

Yes. A round trip is manageable in a single day if you plan a break at Milliken, 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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