How far is Boulder, MT from Helena, MT?
Distance by Flight
Shortest distance between Boulder and Helena is 24.93 miles (40.13 km).
Flight distance from Boulder, MT to Helena, MT is 24.93 miles. Estimated flight time is 00 hours 03 minutes.
Driving distance
The driving distance from Boulder, Montana to Helena, Montana is: 30.03 miles (48.33 km) by car.
Driving from Boulder to Helena will take approximately 00 hours 32 minutes.
#1 Boulder
Town in Montana
| Population | 1291 |
|---|---|
| GPS Coordinates | 46°14'12"N 112°7'15"W |
| Latitude | 46.2365900 |
| Longitude | -112.1208300 |
| Altitude | 1496 |
| Country | United States |
#2 Helena
State capital of Montana, United States and seat of Lewis and Clark County
| Population | 33737 |
|---|---|
| GPS Coordinates | 46°35'34"N 112°2'10"W |
| Latitude | 46.5927100 |
| Longitude | -112.0361100 |
| Altitude | 1237 |
| Country | United States |
Ending point in Helena: Cruse Avenue (-112.036062,46.592722)
Estimated Travel Time Between Boulder and Helena
The distance between Boulder and Helena is 48 km if you choose to drive by road. You can go 00 hours 32 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between Boulder and Helena. The current time is 07:02:32.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 01 hours 00 minutes |
| 40 mph (64.37 km/h) | 00 hours 45 minutes |
| 50 mph (80.47 km/h) | 00 hours 36 minutes |
| 60 mph (96.56 km/h) | 00 hours 30 minutes |
| 70 mph (112.65 km/h) | 00 hours 25 minutes |
| 75 mph (120.7 km/h) | 00 hours 24 minutes |
| 80 mph (128.75 km/h) | 00 hours 22 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 4.01 liters (1.06 gallon) of gas to cover the route between Boulder and Helena.
The estimated cost of gas to go from Boulder to Helena is $4.09 (diesel $5.07).
Montana gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.86 | $4.15 | $4.45 | $4.79 |
| Total | $4.09 | $4.4 | $4.71 | $5.07 |
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price (in Montana ) per gallon of daily gas for calculations is $3.855 (Diesel $4.785) /gallon. Last changed prices on May 06, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Boulder and Helena (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
