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Trip from Havre, MT to Boulder, MT

Compiled by the Trip.ovh editorial team · Last recalculated Apr 17, 2026 · Methodology

Drive Time

4h 2m

Distance

231.1 mi

372 km

Drive Score

10/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$37

one way

EV Charging

Unknown

Best Time to Leave

Save up to 39 min
4 AM
3h 50m ★
6 AM
4h 3m
8 AM
4h 29m
10 AM
4h 12m
12 PM
4h 9m
3 PM
4h 13m
5 PM
4h 27m
8 PM
3h 55m

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

Downtown Havre, MT, MT

Havre, MT

Shashank Brahmavar

Downtown Boulder, MT, MT

Boulder, MT

John De Leon

Trip Overview

This 231.1-mile journey from Havre, MT to Boulder, MT takes approximately 4 hours and 2 minutes to complete, making it a manageable one-day road trip. You'll navigate primarily on the First Special Service Force Memorial Highway and US 87, with a brief stint on 1st Street in Boulder. The estimated fuel cost for this drive is around $37. Both your origin and destination are within the Mountain West region, offering a consistent feel of open spaces and rugged terrain. This route is ideal for a single day, allowing you to reach Boulder without needing an overnight stop.

Trip Pace

Same-day drive is realistic

A same-day return is possible, but it will make for a full day on the road.

Break Rhythm

1 planned break

Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.

Midpoint

115.6 miles from Havre, MT

A natural place for your longest stop of the day , about 2h 10m into the drive .

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 4h 2m. Total distance: 231.1 miles.

Family Friendly

Moderate complexity with 1 natural rest stops along the way.

Solo Traveler

4h 2m drive, comfortable solo distance.

First-Time Driver

Mostly highway driving (47%). Straightforward navigation.

Drive Character

Expect a mixed drive on this route, with about 47% of your travel occurring on highways. The longest uninterrupted stretch spans 114.7 miles on the First Special Service Force Memorial Highway, offering a good opportunity to settle in. As you progress, the road character will likely shift from broader highway sections to potentially more local road conditions as you approach your destination. This blend means you'll experience varied driving, from steady cruising to navigating through different types of terrain.

Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 16 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
First Special Service Force Memorial Highway is the longest continuous segment at about 114.7 miles.

How Hard Is This Drive?

This route mixes highway mileage with some local-road sections near the start or finish. There are only a few real navigation decisions along the way. The trickiest moment comes early in the drive near 5th Street.

Driving Effort 3/10

Easy - simple navigation with a manageable amount of wheel time

Balances navigation complexity with total wheel time.

This is a straightforward 4h 2m drive. You will face about 12 decision points, but nothing that requires special attention if you follow navigation.

Where does it get tricky?

The main spots that need attention: near the start (5th Street): Navigation decision point; at 0.5 miles (US 2 / 1st Street): Lane positioning matters here; at 3.6 miles (US 87): Lane positioning matters here.

Critical Maneuvers

5 of 12 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

4
0 mi into trip | ~0m in | 5th Street

Turn left onto 5th Street

Navigation decision point

6
0.5 mi into trip | ~2m in | US 2 / 1st Street

Turn left onto US 2 / 1st Street

Lane positioning matters here

Use the left lane.
6
3.6 mi into trip | ~5m in | US 87

Turn left onto US 87

Lane positioning matters here

Use the left lane.
5
115.1 mi into trip | ~2h 9m in

Turn sharp left

Sharp turn - reduce speed on approach

5
230 mi into trip | ~4h in

Take the exit toward MT 69: Boulder

Exit ramp - move to the correct lane early

Exit 164 Toward MT 69: Boulder

Main Roads

Road Distance Duration
First Special Service Force Memorial Highway 114.7 mi 1h 50m
US 87 107.3 mi 1h 58m
1st Street 3.1 mi 3m
3rd Street Northwest 1.4 mi 1m
Central Avenue West 1.3 mi 1m
Old Havre Highway 0.8 mi 1m
MT 69 0.8 mi 1m
Smelter Avenue Northeast 0.5 mi <1m
Longest stretch: First Special Service Force Memorial Highway — 114.7 mi, about 1h 50m

Turn-by-Turn Driving Directions

Step-by-step road directions between Havre, MT and Boulder, MT.

1

Start on Montana Avenue

161 ft · 11 sec · Montana Avenue
2

Turn left onto 5th Street

0.1 mi · 39 sec · 5th Street
3

Turn left onto 2nd Avenue

0.3 mi · 1 min · 2nd Avenue
4

Turn left onto US 2

3.1 mi · 3 min · 1st Street
Use the left lane.
5

Turn left onto US 87

107 mi · 1 hr 58 min · US 87
Use the left lane.
6

Continue on US 87

297 ft · 5 sec · 15th Street Northeast
7

Turn right onto Old Havre Highway

0.8 mi · 1 min · Old Havre Highway
8

Turn right onto Smelter Avenue Northeast

0.5 mi · 42 sec · Smelter Avenue Northeast
9

Turn straight onto 3rd Street Northwest

1.4 mi · 1 min · 3rd Street Northwest
10

Turn right onto I 15 Business

1.3 mi · 1 min · Central Avenue West
11

Turn sharp left

0.3 mi · 34 sec
12

Merge onto I 15; US 89; MT 200

115 mi · 1 hr 50 min · First Special Service Force Memorial Highway
13

Take the exit

0.2 mi · 36 sec
Exit 164 Toward MT 69: Boulder
14

Turn left onto MT 69

0.8 mi · 1 min · MT 69
15

Turn right onto West Centennial Avenue

367 ft · 16 sec · West Centennial Avenue
16

Arrive at destination

West Centennial Avenue

Trip Plan

Given the 4-hour duration, departing in the morning is recommended to allow ample daylight for your journey. With only one recommended stop, you have flexibility in pacing your drive. Keep an eye on your fuel levels, especially during the 114.7-mile stretch on the First Special Service Force Memorial Highway, as services might be less frequent. The estimated fuel cost of $37 is a helpful budgeting tool for this trip. Since this is a single-day drive, you can easily adjust your departure time based on your preferences.

Morning Departure

An early start around 7-8 AM gets you there with plenty of daylight left.

Evening Departure

A late afternoon start means arriving after dark. Morning is better.

You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 115.6 miles from Havre, MT, or about 2h 10m into the drive.
The longest continuous stretch on this route runs about 114.7 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 51 miles or 58m in

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

Halfway reset

Around 115.6 miles or 2h 10m in

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

Final approach

Final hour starts around 3h 21m

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

Before You Leave

+

Open the route before leaving Havre, MT 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 Havre, MT

This is one driving day of about 231.1 miles and 4h 2m.

Your first comfortable stop window is around 51 miles from Havre, MT.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on First Special Service Force Memorial Highway for about 114.7 miles.

Where to Stop

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

Halfway Point

Midpoint

About 115.6 mi from Havre, MT · 2h 10m into the drive

city in and county seat of Cascade County, Montana, United States

Mid-route town

Meal stop

Great Falls, MT

116 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

Fort Benton, MT

Fuel and coffee

A short stop after about 51 miles helps settle the day before fatigue starts building.

Great Falls, MT

Meal break

The midpoint is around 115.6 miles from Havre, MT, which is a good place for a longer meal and fuel stop.

Before the longest stretch

Fuel check

Top up before First Special Service Force Memorial Highway if your tank is already low. That segment runs about 114.7 miles.

Arriving in Boulder, MT

The final approach into Boulder, MT 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 Boulder, MT.

After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.

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

Fuel & Cost

Regular Gas

$36.62 one way

$73.24 round trip

$4.03/gal 25.4 MPG avg 81 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.22 $38.39 $76.77
premium $4.53 $41.22 $82.45
diesel $5.61 $51.02 $102.05

No toll roads detected on this route.

Estimated Trip Cost (one way, 1 person)

Fuel

$37

Meals

$25–$50

Total

$62–$87

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

Estimated CO2 emission: 80.9 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $24 in charging · 0 stops · 67% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 69.3 0 $24.27 $11.09
Efficient EV 57.8 0 $20.22 $9.24
EV Truck/SUV 92.4 1 $32.35 $14.79

Gas CO2

81 kg

EV CO2

27 kg (67% less)

Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.

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

Havre, MT

Night in Havre on Thursday

Local time

11:26 PM

MDT

Current temp

67°F

Unavailable

Live forecast

Destination

Boulder, MT

Night in Boulder on Thursday

Local time

11:26 PM

MDT

Current temp

59°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

8 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

4h 2m on the road

An early start around 7-8 AM gets you there with plenty of daylight left.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from Havre, MT to Boulder, MT covers 231.1 miles and takes about 4h 2m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are First Special Service Force Memorial Highway, US 87, 1st Street. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 115.6 miles from Havre, MT. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $36.62 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a straightforward 4h 2m drive. You will face about 12 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: near the start (5th Street): Navigation decision point; at 0.5 miles (US 2 / 1st Street): Lane positioning matters here; at 3.6 miles (US 87): Lane positioning matters here.
The route from Havre, MT to Boulder, MT does not surface many named destination signs beyond the main corridor.

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