How far is Hamilton, MT from Helena, MT?
The driving distance from Hamilton, MT to Helena, MT is about 160.3 miles (257.9 km), with a travel time of about 02h 44m by car.
- The straight-line flight distance is about 104 miles (167.3 km).
- For a round trip, plan for roughly 05h 28m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 44m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Granite County, Montana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Hamilton and Helena.
Turn-by-Turn Driving Directions
Step-by-step road directions between Hamilton and Helena.
-
1
Start on West Main Street
1199 ft · 54 sec · West Main Street
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2
Turn left onto North 1st Street
43.1 mi · 55 min · North 1st Street
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3
Continue on Brooks Street
3.3 mi · 5 min · Brooks Street
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4
Continue on South Higgins Avenue
109 m · 16 sec · South Higgins Avenue
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5
Turn right onto South 6th Street East
2051 ft · 36 sec · South 6th Street East
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6
Turn left onto Arthur Avenue
906 ft · 14 sec · Arthur Avenue
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7
Continue on Madison Street
1226 ft · 16 sec · Madison Street
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8
Take the exit slight right
1249 ft · 27 sec
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9
Turn left onto Van Buren Street
133 m · 6 sec · Van Buren Street
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10
Take the exit right
1216 ft · 30 sec
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11
Merge slight left onto Jeannette Rankin Memorial Highway
67.9 mi · 1 hr 5 min · Jeannette Rankin Memorial Highway
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12
Take the exit slight right toward US 12 East: Garrison, Helena
43.8 mi · 51 min
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13
Turn right onto North Benton Avenue
1542 ft · 58 sec · North Benton Avenue
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14
Turn left onto Neill Avenue
1201 ft · 43 sec · Neill Avenue
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15
Turn slight right onto Cruse Avenue
31 m · 4 sec · Cruse Avenue
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16
Arrive at your destination
0 m · 1 sec · Cruse Avenue
Car Route Details
A richer read on the saved driving route between Hamilton and Helena.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Jeannette Rankin Memorial Highway
Merge slight left onto Jeannette Rankin Memorial Highway
67.9 mi · 01h 05m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Hamilton and Sunny near Helena.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hamilton to Helena?
The road trip is about 160.3 miles (257.9 km) and usually takes 02h 44m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Drummond is a useful midpoint, sitting about 80 miles from Hamilton and 80.3 miles from Helena.
How much longer is the road route than the straight-line distance?
The direct path is about 104 miles (167.3 km), while the road route adds roughly 56.3 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 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 1:02 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.00 one way or $43.99 round trip. Estimated CO2 is about 50.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Hamilton and Sunny near Helena.
Stop Ideas Near Drummond
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Drummond.
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Flight Path Map
This map shows the direct air route between Hamilton and Helena. Straight-line distance: 103.96 mi (167.31 km).
#1 Hamilton
City in Ravalli County, Montana, United States
| Population | 5,056 |
| Coordinates | 46.2468700, -114.1603700 |
| Altitude | 1088 |
| Country | United States |
#2 Helena
State capital of Montana, United States and seat of Lewis and Clark County
| Population | 33,737 |
| Coordinates | 46.5927100, -112.0361100 |
| Altitude | 1237 |
| Country | United States |
End: Cruse Avenue (-112.036062, 46.592722)
Estimated Travel Time
Distance: 258 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 20m |
| 40 mph (64.37 km/h) | 04h 00m |
| 50 mph (80.47 km/h) | 03h 12m |
| 60 mph (96.56 km/h) | 02h 40m |
| 70 mph (112.65 km/h) | 02h 17m |
| 80 mph (129 km/h) | 01h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $22.00 | $43.99 |
| Mid-grade | $4.23 | $23.91 | $47.81 |
| Premium | $4.55 | $25.70 | $51.40 |
| Diesel | $5.41 | $30.58 | $61.16 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.