How far is Plains, MT from Helena, MT?
Distance by Flight
Shortest distance between Plains and Helena is 146.85 miles (236.34 km).
Flight distance from Plains, MT to Helena, MT is 146.85 miles. Estimated flight time is 00 hours 22 minutes.
It takes 00 hours 20 minutes to travel from Plains to Helena with an airplane (average speed of 550 miles).
Driving distance
The driving distance from Plains, Montana to Helena, Montana is: 189.23 miles (304.53 km) by car.
Driving from Plains to Helena will take approximately 03 hours 04 minutes.
#1 Plains
Town of the United States
| Population | 1139 |
|---|---|
| GPS Coordinates | 47°27'37"N 114°52'58"W |
| Latitude | 47.4602100 |
| Longitude | -114.8829100 |
| Altitude | 755 |
| 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 Plains and Helena
The distance between Plains and Helena is 305 km if you choose to drive by road. You can go 03 hours 23 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 Plains and Helena. The current time is 19:19:27.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 06 hours 18 minutes |
| 40 mph (64.37 km/h) | 04 hours 43 minutes |
| 50 mph (80.47 km/h) | 03 hours 47 minutes |
| 60 mph (96.56 km/h) | 03 hours 09 minutes |
| 70 mph (112.65 km/h) | 02 hours 42 minutes |
| 75 mph (120.7 km/h) | 02 hours 31 minutes |
| 80 mph (128.75 km/h) | 02 hours 21 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 25.28 liters (6.68 gallon) of gas to cover the route between Plains and Helena.
The estimated cost of gas to go from Plains to Helena is $25.74 (diesel $31.95).
Montana gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3.86 | $4.15 | $4.45 | $4.79 |
| Total | $25.74 | $27.7 | $29.68 | $31.95 |
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 December 30, 2024.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between Plains and Helena (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
