How far is Dillon, MT from Havre, MT?

The driving distance from Dillon, MT to Havre, MT is about 331.4 miles (533.3 km), with a travel time of about 05h 14m by car.

  • The straight-line flight distance is about 269.2 miles (433.3 km).
  • For a round trip, plan for roughly 10h 28m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
331.38 mi
05h 14m
Flight
269.22 mi
433.27 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Dillon.

Flight Distance

Direct air line
269.22 mi
Kilometers
433.27 km
Flight Time
00h 32m

Driving Distance

Road route
331.38 mi
Kilometers
533.3 km
Drive Time
05h 14m

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 14m.

Arrival Snapshot
Arrive in Havre
Wed, Apr 22, 11:11 PM MDT
Return by in Dillon
Thu, Apr 23, 4:25 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dillon
2026-04-22T17:57
Arrive Havre
Wed, Apr 22, 11:11 PM MDT
Route Timing
05h 14m
One way by road
Best Departure Window
6:00 AM to 8:00 AM MDT
Leave early for more breathing room
Arrive between
11:14 AM to 1:14 PM MDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
6:32 AM MDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Dillon
9:00 PM MDT
Early departure recommended

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.

Mid-route stop
Cascade
MT

Town in Cascade County, Montana, United States

From Dillon
165.7 mi
02h 37m
To Havre
165.7 mi
02h 37m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
61°F
Wednesday

Chance Light Rain then Showers And Thunderstorms Likely

Starts
Wed, Apr 22 6:00 AM MDT
Wind
12 to 28 mph SSW
Destination
73°F
Wednesday

Partly Sunny then Chance Light Rain

Starts
Wed, Apr 22 6:00 AM MDT
Wind
8 to 15 mph WSW

Driving Route Map

The map below follows the saved road route between Dillon and Havre.

Turn-by-Turn Driving Directions

Step-by-step road directions between Dillon and Havre.

  1. 1

    Start on South Idaho Street

    107 m · 21 sec · South Idaho Street

  2. 2

    Turn left onto East Bannack Street

    1489 ft · 41 sec · East Bannack Street

  3. 3

    Continue on Black Tail Boulevard

    2999 ft · 1 min · Black Tail Boulevard

  4. 4

    Turn left

    127 m · 7 sec

  5. 5

    Take the ramp straight

    57 m · 5 sec

  6. 6

    Keep slight right

    60.6 mi · 57 min

  7. 7

    Keep slight right

    4.8 mi · 5 min

  8. 8

    Take the exit slight right toward I 15 North: Helena

    150.3 mi · 2 hr 27 min

  9. 9

    Take the exit slight right

    1262 ft · 31 sec

  10. 10

    Keep slight right

    70 m · 6 sec

  11. 11

    Merge slight left onto Central Avenue West

    1.2 mi · 1 min · Central Avenue West

  12. 12

    Turn left onto 3rd Street Northwest

    1.4 mi · 2 min · 3rd Street Northwest

  13. 13

    Continue on Smelter Avenue Northeast

    2885 ft · 45 sec · Smelter Avenue Northeast

  14. 14

    Turn left onto Old Havre Highway

    1.4 km · 1 min · Old Havre Highway

  15. 15

    Turn left onto 15th Street Northeast

    107.3 mi · 1 hr 58 min · 15th Street Northeast

  16. 16

    Turn right

    3 mi · 4 min

  17. 17

    Turn right onto 1st Avenue

    1661 ft · 1 min · 1st Avenue

  18. 18

    Turn right onto 5th Street

    128 m · 20 sec · 5th Street

  19. 19

    Turn right onto Montana Avenue

    49 m · 7 sec · Montana Avenue

  20. 20

    Arrive at your destination

    0 m · 1 sec · Montana Avenue

Car Route Details

A richer read on the saved driving route between Dillon and Havre.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
20 steps
9 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
6 / 100 mi
Decision points by distance
Main Roads
I 15 North
151 mi · 45%
15th Street Northeast
107 mi · 32%
Black Tail Boulevard
65.9 mi · 20%
3rd Street Northwest
1.43 mi
Central Avenue West
1.19 mi
Old Havre Highway
0.86 mi
Longest Stretch

I 15 North

Take the exit slight right toward I 15 North: Helena

150 mi · 02h 27m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
05h 14m
Long day trip
Same-Day Return
10h 28m
Round-trip wheel time
Road vs Air
+62.2 mi
269.2 mi direct line
Halfway Stop
Cascade
02h 37m from Dillon
Leave By
6:32 AM MDT
Early departure recommended
Weather Watch

Chance Light Rain then Showers And Thunderstorms Likely leaving Dillon 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 Dillon to Havre?

The road trip is about 331.4 miles (533.3 km) and usually takes 05h 14m 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 165.7 miles from Dillon and 165.7 miles from Havre.

How much longer is the road route than the straight-line distance?

The direct path is about 269.2 miles (433.3 km), while the road route adds roughly 62.2 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 6:32 AM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $45.51 one way or $91.02 round trip. Estimated CO2 is about 103.9 kg one way.

What should you check before leaving?

Before you leave, expect Chance Light Rain then Showers And Thunderstorms Likely around Dillon and Partly Sunny then Chance Light Rain near Havre.

Flight Path Map

This map shows the direct air route between Dillon and Havre. Straight-line distance: 269.22 mi (433.27 km).

Dillon

#1 Dillon

City in Montana, United States

Population4,333
Coordinates45.2163100, -112.6375200
Altitude1555
CountryUnited States
Havre

#2 Havre

City in Hill County, Montana, United States

Population9,706
Coordinates48.5500000, -109.6840900
Altitude771
CountryUnited States
Start: South Idaho Street (-112.637539, 45.216321)
End: Montana Avenue (-109.683848, 48.549988)

Estimated Travel Time

Distance: 533 km by road

SpeedTime
30 mph (48.3 km/h)11h 02m
40 mph (64.37 km/h)08h 17m
50 mph (80.47 km/h)06h 37m
60 mph (96.56 km/h)05h 31m
70 mph (112.65 km/h)04h 44m
80 mph (129 km/h)04h 08m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.69 gal
44.26 L · about $45.51
Round trip
$91.02
23.38 gal · 88.52 L
Estimated CO2
103.9 kg one way
Round trip: 207.8 kg / 458 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $45.51 $91.02
Mid-grade $4.23 $49.46 $98.92
Premium $4.55 $53.18 $106.36
Diesel $5.41 $63.27 $126.53

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 22, 2026

There is no time difference between Dillon and Havre. The current time is 17:57:48.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.