How far is Lakeside, MT from Helena, MT?
The driving distance from Lakeside, MT to Helena, MT is about 191.3 miles (307.8 km), with a travel time of about 03h 13m by car.
- The straight-line flight distance is about 142.2 miles (228.9 km).
- For a round trip, plan for roughly 06h 27m 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 03h 13m.
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.
Census designated place in Montana, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Widespread Frost then Sunny
Driving Route Map
The map below follows the saved road route between Lakeside and Helena.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lakeside and Helena.
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1
Start on the route
6.3 mi · 10 min
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2
Turn right
6.9 mi · 9 min
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3
Turn right
1821 ft · 37 sec
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4
Turn left
91.1 mi · 1 hr 44 min
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5
Turn left
23.8 mi · 26 min
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6
Turn right onto State Highway 141
32.5 mi · 35 min · State Highway 141
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7
Turn left
29.8 mi · 35 min
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8
Turn right onto North Benton Avenue
1542 ft · 58 sec · North Benton Avenue
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9
Turn left onto Neill Avenue
1201 ft · 43 sec · Neill Avenue
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10
Turn slight right onto Cruse Avenue
31 m · 4 sec · Cruse Avenue
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11
Arrive at your destination
0 m · 1 sec · Cruse Avenue
Car Route Details
A richer read on the saved driving route between Lakeside and Helena.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
Turn left
91.1 mi · 01h 44m
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.
Widespread Frost then Sunny leaving Lakeside and Sunny near Helena.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Lakeside to Helena?
The road trip is about 191.3 miles (307.8 km) and usually takes 03h 13m 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?
Seeley Lake is a useful midpoint, sitting about 95.5 miles from Lakeside and 95.8 miles from Helena.
How much longer is the road route than the straight-line distance?
The direct path is about 142.2 miles (228.9 km), while the road route adds roughly 49.1 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 10:32 AM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.33 one way or $60.67 round trip. Estimated CO2 is about 60 kg one way.
What should you check before leaving?
Before you leave, expect Widespread Frost then Sunny around Lakeside and Sunny near Helena.
Stop Ideas Near Seeley Lake
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 Seeley Lake.
Missoula, MT
Flight Path Map
This map shows the direct air route between Lakeside and Helena. Straight-line distance: 142.22 mi (228.88 km).
#1 Lakeside
Located along the western edge of Flathead Lake in Flathead County, this community rests at an elevation of 2,910 feet within the larger Flathead Valley.
| Population | 0 |
| Coordinates | 48.0193900, -114.2245700 |
| Altitude | 887 |
| 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: 308 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 22m |
| 40 mph (64.37 km/h) | 04h 46m |
| 50 mph (80.47 km/h) | 03h 49m |
| 60 mph (96.56 km/h) | 03h 11m |
| 70 mph (112.65 km/h) | 02h 43m |
| 80 mph (129 km/h) | 02h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.49 | $30.33 | $60.67 |
| Mid-grade | $4.83 | $32.57 | $65.14 |
| Premium | $5.19 | $35.05 | $70.11 |
| Diesel | $6.11 | $41.24 | $82.49 |
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 · Oct 15, 2026