How far is Choteau, MT from Helena, MT?

The driving distance from Choteau, MT to Helena, MT is about 104 miles (167.4 km), with a travel time of about 01h 40m by car.

  • The straight-line flight distance is about 84.6 miles (136.1 km).
  • For a round trip, plan for roughly 03h 20m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
104.01 mi
01h 40m
Flight
84.56 mi
136.09 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Choteau.

Flight Distance

Direct air line
84.56 mi
Kilometers
136.09 km
Flight Time
00h 10m

Driving Distance

Road route
104.01 mi
Kilometers
167.38 km
Drive Time
01h 40m

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 01h 40m.

Arrival Snapshot
Arrive in Helena
Wed, Apr 22, 7:37 PM MDT
Return by in Choteau
Wed, Apr 22, 9:17 PM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Choteau
2026-04-22T17:57
Arrive Helena
Wed, Apr 22, 7:37 PM MDT
Route Timing
01h 40m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MDT
Aim for a morning departure
Arrive between
9:40 AM to 11:40 AM MDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:10 PM MDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Choteau
9:30 PM MDT
Morning start is best

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 Choteau
51.9 mi
00h 50m
To Helena
52.1 mi
00h 50m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
65°F
Wednesday

Slight Chance Light Rain then Showers And Thunderstorms Likely

Starts
Wed, Apr 22 6:00 AM MDT
Wind
6 to 23 mph NW
Destination
62°F
Wednesday

Chance Light Rain then Showers And Thunderstorms

Starts
Wed, Apr 22 6:00 AM MDT
Wind
6 to 16 mph SW

Driving Route Map

The map below follows the saved road route between Choteau and Helena.

Turn-by-Turn Driving Directions

Step-by-step road directions between Choteau and Helena.

  1. 1

    Start on Main Avenue North

    151 m · 15 sec · Main Avenue North

  2. 2

    Enter the roundabout and take exit 3 toward 1st Street Southwest

    526 ft · 19 sec · 1st Street Southwest

  3. 3

    Exit the rotary onto 1st Street Southwest

    33 m · 2 sec · 1st Street Southwest

  4. 4

    Turn straight onto Main Avenue South

    1.1 km · 2 min · Main Avenue South

  5. 5

    Continue on United States Route 89

    16.8 mi · 19 min · United States Route 89

  6. 6

    Continue on 1st Road Southeast

    3.3 mi · 4 min · 1st Road Southeast

  7. 7

    Turn right onto 3rd Lane

    5.3 mi · 9 min · 3rd Lane

  8. 8

    Continue on Simms Fairfield Road

    1.8 mi · 3 min · Simms Fairfield Road

  9. 9

    Turn right

    18.4 mi · 21 min

  10. 10

    Turn left

    20.1 mi · 30 min

  11. 11

    Take the ramp slight right

    2579 ft · 1 min

  12. 12

    Merge slight left onto First Special Service Force Memorial Highway

    34.7 mi · 34 min · First Special Service Force Memorial Highway

  13. 13

    Take the exit slight right toward I 15 Business

    1393 ft · 35 sec

  14. 14

    At the end of the road, turn right onto Cedar Street

    2855 ft · 1 min · Cedar Street

  15. 15

    Continue on North Last Chance Gulch Street

    1.2 mi · 3 min · North Last Chance Gulch Street

  16. 16

    Turn slight left onto Cruse Avenue

    31 m · 4 sec · Cruse Avenue

  17. 17

    Arrive at your destination

    0 m · 1 sec · Cruse Avenue

Car Route Details

A richer read on the saved driving route between Choteau and Helena.

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
17 steps
8 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
16.3 / 100 mi
Decision points by distance
Main Roads
First Special Service Force Memorial Highway
34.7 mi · 33%
United States Route 89
16.8 mi · 16%
3rd Lane
5.34 mi · 5%
1st Road Southeast
3.34 mi · 3%
Simms Fairfield Road
2.29 mi · 2%
North Last Chance Gulch Street
1.23 mi · 1%
Longest Stretch

First Special Service Force Memorial Highway

Merge slight left onto First Special Service Force Memorial Highway

34.7 mi · 00h 34m

Route Summary

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

Trip Read

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.

Drive Time
01h 40m
Day trip friendly
Same-Day Return
03h 20m
Round-trip wheel time
Road vs Air
+19.4 mi
84.6 mi direct line
Halfway Stop
Cascade
00h 50m from Choteau
Leave By
3:10 PM MDT
Morning start is best
Weather Watch

Slight Chance Light Rain then Showers And Thunderstorms Likely leaving Choteau and Chance Light Rain then Showers And Thunderstorms near Helena.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Choteau to Helena?

The road trip is about 104 miles (167.4 km) and usually takes 01h 40m 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?

Cascade is a useful midpoint, sitting about 51.9 miles from Choteau and 52.1 miles from Helena.

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

The direct path is about 84.6 miles (136.1 km), while the road route adds roughly 19.4 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 3:10 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $14.29 one way or $28.57 round trip. Estimated CO2 is about 32.6 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Light Rain then Showers And Thunderstorms Likely around Choteau and Chance Light Rain then Showers And Thunderstorms near Helena.

Flight Path Map

This map shows the direct air route between Choteau and Helena. Straight-line distance: 84.56 mi (136.09 km).

Choteau

#1 Choteau

City in Montana

Population1,744
Coordinates47.8124500, -112.1836300
Altitude1164
CountryUnited States
Helena

#2 Helena

State capital of Montana, United States and seat of Lewis and Clark County

Population33,737
Coordinates46.5927100, -112.0361100
Altitude1237
CountryUnited States
Start: North Main Avenue (-112.183661, 47.812438)
End: Cruse Avenue (-112.036062, 46.592722)

Estimated Travel Time

Distance: 167 km by road

SpeedTime
30 mph (48.3 km/h)03h 27m
40 mph (64.37 km/h)02h 36m
50 mph (80.47 km/h)02h 04m
60 mph (96.56 km/h)01h 44m
70 mph (112.65 km/h)01h 29m
80 mph (129 km/h)01h 17m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.67 gal
13.89 L · about $14.29
Round trip
$28.57
7.34 gal · 27.78 L
Estimated CO2
32.6 kg one way
Round trip: 65.2 kg / 144 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $14.29 $28.57
Mid-grade $4.23 $15.53 $31.06
Premium $4.55 $16.69 $33.39
Diesel $5.41 $19.86 $39.72

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 Choteau and Helena. The current time is 17:57:00.

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.