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Trip from Sterling, CO to Longmont, CO

Data updated 5 hours ago

Drive Time

2h 24m

Distance

125 mi

201 km

Drive Score

9/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$19

one way

EV Charging

Loading...

station data

Best Time to Leave

Save up to 30 min
4 AM
2h 14m ★
6 AM
2h 24m
8 AM
2h 44m
10 AM
2h 31m
12 PM
2h 29m
3 PM
2h 32m
5 PM
2h 43m
8 PM
2h 18m

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

city in and county seat of Logan County, Colorado, United States

Sterling, CO

Wikimedia Commons

city in Boulder County, Colorado, United States

Longmont, CO

Wikimedia Commons

Trip Overview

This 125-mile journey from Sterling, Colorado, to Longmont, Colorado, is easily manageable as a single-day trip, taking approximately 2 hours and 24 minutes. The route primarily utilizes I-76 for a significant portion, making it a highway-focused drive. With a fuel cost estimated at $19, this is an economical option for a quick cross-state excursion within the Mountain West region. Given its relatively short duration and straightforward path, you won't need to plan for an overnight stay. This drive offers a practical and efficient way to travel between these two Colorado towns.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

0 planned breaks

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

62.5 miles from Sterling, CO

A natural place for your longest stop of the day , about 1h 4m into the drive .

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Drive Character

Expect a highway-focused drive for about 77% of this trip, predominantly on I-76. You'll experience a longest uninterrupted stretch of 92.7 miles on I-76, offering a consistent pace. While the majority of the route is on faster roads, transitions onto 1st Street and East Bison Highway will introduce you to local driving conditions. This blend means you'll cover ground efficiently on the interstate before navigating more localized roads closer to your destination. The character of the drive is largely about covering distance with ease.

Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 24 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 76 is the longest continuous segment at about 92.7 miles.

How Hard Is This Drive?

This is a straightforward highway drive that stays mostly on I 76 and 1st Street. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near North 3rd Street.

Route Complexity 8/10

Demanding - plan breaks and stay ahead of the key maneuvers

This is a demanding drive. With 18 significant decision points across 125 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.

Where does it get tricky?

The main spots that need attention: near the start (North 3rd Street): Navigation decision point; at 94.8 miles: Exit ramp - move to the correct lane early; at 95 miles (CO 52 / East Bison Highway): Roundabout - know your exit number before entering.

Critical Maneuvers

5 of 18 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 | North 3rd Street

Turn left onto North 3rd Street

Navigation decision point

5
94.8 mi into trip | ~1h 37m in

Take the exit toward CO 52: Hudson

Exit ramp - move to the correct lane early

Exit 31 Toward CO 52: Hudson
5
95 mi into trip | ~1h 37m in | CO 52 / East Bison Highway

Enter roundabout onto CO 52 / East Bison Highway

Roundabout - know your exit number before entering

7
117.8 mi into trip | ~2h 12m in

Take the exit toward CO 119 West: Firestone Boulevard

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the straight / slight right lanes. Exit 240 Toward CO 119 West: Firestone Boulevard
6
118 mi into trip | ~2h 13m in

Keep slight left at fork toward CO 119 West: Longmont

Highway fork - watch signs carefully

Toward CO 119 West: Longmont

Main Roads

Road Distance Duration
I 76 92.7 mi 1h 32m
1st Street 9.7 mi 16m
East Bison Highway 8.3 mi 13m
Dwight D. Eisenhower Highway 4.5 mi 4m
Highway 119 3.1 mi 3m
East 3rd Avenue 1.9 mi 3m
East Ken Pratt Boulevard 1.6 mi 1m
East Chestnut Street 1.4 mi 2m
Longest stretch: I 76 — 92.7 mi, about 1h 32m

Turn-by-Turn Driving Directions

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

1

Start on this road

240 ft · 22 sec · this road
2

Turn left onto North 3rd Street

277 ft · 11 sec · North 3rd Street
3

Turn right onto US 6

1.4 mi · 2 min · East Chestnut Street
4

Continue on US 6

0.2 mi · 23 sec · US Highway 6
5

Take the ramp

0.3 mi · 43 sec
Toward I 76 West
6

Merge onto I 76

93 mi · 1 hr 32 min · I 76
7

Take the exit

0.2 mi · 27 sec
Exit 31 Toward CO 52: Hudson
8

Enter roundabout onto CO 52

24 ft · 0 sec · East Bison Highway
9

Continue on CO 52

0.3 mi · 24 sec · East Bison Highway
10

Enter roundabout onto CO 52

133 ft · 2 sec · East Bison Highway
11

Continue on CO 52

8.0 mi · 12 min · East Bison Highway
Use the straight / right lanes.
12

Continue on CO 52

9.7 mi · 16 min · 1st Street
Use the straight / right lanes.
13

Take the ramp

0.3 mi · 43 sec
Toward I 25 North: Fort Collins Use the right lane.
14

Merge onto I 25

4.5 mi · 4 min · Dwight D. Eisenhower Highway
15

Take the exit

0.2 mi · 18 sec
Exit 240 Toward CO 119 West: Firestone Boulevard Use the straight / slight right lanes.
16

Keep slight left at fork

290 ft · 7 sec
Toward CO 119 West: Longmont
17

Turn left onto CO 119

3.1 mi · 3 min · Highway 119
Use the left / straight lanes.
18

Continue on CO 119

1.6 mi · 1 min · East Ken Pratt Boulevard
19

Take the exit

226 ft · 6 sec
20

Turn right onto East 3rd Avenue

1.9 mi · 3 min · East 3rd Avenue
Use the right lane.
21

Turn right onto Kimbark Street

0.2 mi · 55 sec · Kimbark Street
22

Turn left

186 ft · 15 sec
23

Turn right

109 ft · 7 sec
24

Arrive at destination

Trip Plan

For this 2-hour and 24-minute drive, leaving in the morning is recommended to maximize your day upon arrival in Longmont. Since there are no designated stops, you have flexibility to pull over as needed, especially during the 92.7-mile stretch on I-76. Keep an eye on your fuel gauge, as the estimated cost is $19, and plan your refueling accordingly before embarking on the longer interstate segments. It's a manageable distance, so a single day trip is ideal, allowing you to explore Longmont without the pressure of a long journey.

Morning Departure

Leave by 9 AM and you'll arrive before lunch.

Evening Departure

Even a 4 PM departure gets you there before dark in summer.

You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 62.5 miles from Sterling, CO, or about 1h 4m into the drive.
The longest continuous stretch on this route runs about 92.7 miles.

This is a comfortable same-day trip.

Departure

Before you leave

Start with fuel, water, and navigation already sorted so the first hour feels easy.

First stop

Around 80 miles or 1h 22m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 62.5 miles or 1h 4m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 1h 49m

Traffic, exits, and arrival timing usually matter more near Longmont, CO than in the middle of the route.

Before You Leave

+

Open the route before leaving Sterling, CO so your first major turns are already loaded.

+

Leave with enough water and a charging cable within reach, not packed away.

+

Check your fuel range against the first long segment, especially if you are starting outside city service areas.

Day 1

Settle into the route from Sterling, CO

This is one driving day of about 125 miles and 2h 24m.

Your first comfortable stop window is around 80 miles from Sterling, CO.
This route can stay practical as a one-day drive if traffic stays reasonable.
You may only need one short stretch stop if conditions stay smooth.
The longest stretch is on I 76 for about 92.7 miles.

Where to Stop

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

Halfway Point

Midpoint

About 62.5 mi from Sterling, CO · 1h 4m into the drive

town in Weld County, Colorado, United States

Mid-route town

Meal stop

Lochbuie, CO

63 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

Lochbuie, CO

Fuel and coffee

A short stop after about 80 miles helps settle the day before fatigue starts building.

Byers, CO

Meal break

The midpoint is around 62.5 miles from Sterling, CO, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before I 76 if your tank is already low. That segment runs about 92.7 miles.

Arriving in Longmont, CO

The final approach into Longmont, CO usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Longmont, CO.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Fuel & Cost

Regular Gas

$18.83 one way

$37.67 round trip

$3.83/gal 25.4 MPG avg 44 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.05 $19.94 $39.88
premium $4.39 $21.62 $43.25
diesel $5.61 $27.60 $55.20

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$19

Meals

$25–$50

Total

$44–$69

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 43.7 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $13 in charging · 0 stops · 66% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 37.5 0 $13.13 $6.00
Efficient EV 31.3 0 $10.94 $5.00
EV Truck/SUV 50 0 $17.50 $8.00

Gas CO2

44 kg

EV CO2

15 kg (66% 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 data refreshed 3 hours ago

Origin

Sterling, CO

Late night in Sterling on Wednesday

Local time

12:51 AM

MDT

Current temp

83°F

Unavailable

Live forecast

Destination

Longmont, CO

Late night in Longmont on Wednesday

Local time

12:51 AM

MDT

Current temp

39°F

Unavailable

Live forecast

Seasonal Notes

Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.

Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.

Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.

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

44 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

2h 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 Sterling, CO to Longmont, CO covers 125 miles and takes about 2h 24m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 76, 1st Street, East Bison Highway. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 62.5 miles from Sterling, CO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $18.83 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 demanding drive. With 18 significant decision points across 125 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: near the start (North 3rd Street): Navigation decision point; at 94.8 miles: Exit ramp - move to the correct lane early; at 95 miles (CO 52 / East Bison Highway): Roundabout - know your exit number before entering.
The route from Sterling, CO to Longmont, CO does not surface many named destination signs beyond the main corridor.

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