How far is Plains, MT from Havre, MT?
The driving distance from Plains, MT to Havre, MT is about 345.3 miles (555.7 km), with a travel time of about 05h 53m by car.
- The straight-line flight distance is about 251.8 miles (405.2 km).
- For a round trip, plan for roughly 11h 46m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 05h 53m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Cascade County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain Likely then Showers And Thunderstorms
Partly Sunny then Chance Light Rain
Driving Route Map
The map below follows the saved road route between Plains and Havre.
Turn-by-Turn Driving Directions
Step-by-step road directions between Plains and Havre.
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1
Start on Railroad Avenue
1.3 km · 1 min · Railroad Avenue
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2
Continue on Montana Highway 200
31.5 mi · 47 min · Montana Highway 200
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3
Continue on A Street
7.5 mi · 11 min · A Street
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4
Turn right
27.3 mi · 32 min
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5
Continue on West Broadway Street
925 ft · 24 sec · West Broadway Street
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6
Continue on West Broadway Street
733 ft · 18 sec · West Broadway Street
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7
Take the exit slight right toward I 90 East: Missoula
13.4 mi · 15 min
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8
Take the exit slight right toward MT 200 East: Bonner, Great Falls
148.5 mi · 2 hr 48 min
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9
Take the exit slight right toward I 15 South: Great Falls
1323 ft · 32 sec
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10
Merge slight left onto First Special Service Force Memorial Highway
9.5 mi · 9 min · First Special Service Force Memorial Highway
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11
Take the exit slight right toward I 15 Business
1262 ft · 31 sec
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12
Turn left onto Central Avenue West
1.3 mi · 2 min · Central Avenue West
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13
Turn left onto 3rd Street Northwest
1.4 mi · 2 min · 3rd Street Northwest
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14
Continue on Smelter Avenue Northeast
2885 ft · 45 sec · Smelter Avenue Northeast
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15
Turn left onto Old Havre Highway
1.4 km · 1 min · Old Havre Highway
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16
Turn left onto 15th Street Northeast
107.3 mi · 1 hr 58 min · 15th Street Northeast
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17
Turn right
3 mi · 4 min
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18
Turn right onto 1st Avenue
1661 ft · 1 min · 1st Avenue
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19
Turn right onto 5th Street
128 m · 20 sec · 5th Street
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20
Turn right onto Montana Avenue
49 m · 7 sec · Montana Avenue
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21
Arrive at your destination
0 m · 1 sec · Montana Avenue
Car Route Details
A richer read on the saved driving route between Plains and Havre.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
MT 200 East
Take the exit slight right toward MT 200 East: Bonner, Great Falls
148 mi · 02h 48m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Light Rain Likely then Showers And Thunderstorms leaving Plains and Partly Sunny then Chance Light Rain near Havre.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Plains to Havre?
The road trip is about 345.3 miles (555.7 km) and usually takes 05h 53m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Cascade is a useful midpoint, sitting about 176.8 miles from Plains and 168.5 miles from Havre.
How much longer is the road route than the straight-line distance?
The direct path is about 251.8 miles (405.2 km), while the road route adds roughly 93.5 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM MDT. If you want a more comfortable same-day return, try to leave by 5:14 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $47.46 one way or $94.91 round trip. Estimated CO2 is about 108.3 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain Likely then Showers And Thunderstorms around Plains and Partly Sunny then Chance Light Rain near Havre.
Flight Path Map
This map shows the direct air route between Plains and Havre. Straight-line distance: 251.79 mi (405.22 km).
#1 Plains
Town of the United States
| Population | 1,139 |
| Coordinates | 47.4602100, -114.8829100 |
| Altitude | 755 |
| Country | United States |
#2 Havre
City in Hill County, Montana, United States
| Population | 9,706 |
| Coordinates | 48.5500000, -109.6840900 |
| Altitude | 771 |
| Country | United States |
End: Montana Avenue (-109.683848, 48.549988)
Estimated Travel Time
Distance: 556 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 30m |
| 40 mph (64.37 km/h) | 08h 38m |
| 50 mph (80.47 km/h) | 06h 54m |
| 60 mph (96.56 km/h) | 05h 45m |
| 70 mph (112.65 km/h) | 04h 55m |
| 80 mph (129 km/h) | 04h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $47.46 | $94.91 |
| Mid-grade | $4.23 | $51.58 | $103.15 |
| Premium | $4.55 | $55.45 | $110.90 |
| Diesel | $5.41 | $65.97 | $131.94 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Montana · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.