How far is Helena, MT from Sidney, MT?

Distance by Flight

Shortest distance between Helena and Sidney is 378.11 miles (608.51 km).

Flight distance from Helena, MT to Sidney, MT is 378.11 miles. Estimated flight time is 00 hours 56 minutes.

It takes 00 hours 50 minutes to travel from Helena to Sidney with an airplane (average speed of 550 miles).

Driving distance

The driving distance from Helena, Montana to Sidney, Montana is: 465.11 miles (748.52 km) by car.

Driving from Helena to Sidney will take approximately 07 hours 27 minutes.

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#1 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
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#2 Sidney

City in Montana, United States

Population 6297
GPS Coordinates 47°43'0"N 104°9'23"W
Latitude 47.7166800
Longitude -104.1563300
Altitude 594
Country United States

Estimated Travel Time Between Helena and Sidney

The distance between Helena and Sidney is 749 km if you choose to drive by road. You can go 08 hours 19 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 Helena and Sidney. The current time is 03:51:26.

Average Speed Travel Time
30 mph (48.3 km/h) 15 hours 29 minutes
40 mph (64.37 km/h) 11 hours 37 minutes
50 mph (80.47 km/h) 09 hours 18 minutes
60 mph (96.56 km/h) 07 hours 45 minutes
70 mph (112.65 km/h) 06 hours 38 minutes
75 mph (120.7 km/h) 06 hours 12 minutes
80 mph (128.75 km/h) 05 hours 48 minutes

Gas Consumption

A car with a fuel efficiency of 8.3 l/100 km will need 62.13 liters (16.41 gallon) of gas to cover the route between Helena and Sidney.
The estimated cost of gas to go from Helena to Sidney is $63.27 (diesel $78.53).

Montana gas prices.

Gasoline Mid Grade Premium Diesel
Gallon $3.86 $4.15 $4.45 $4.79
Total $63.27 $68.09 $72.95 $78.53

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 March 29, 2024.

How did we calculate the distance?

The place names are translated into coordinates to approximate the distance between Helena and Sidney (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.

Distance to Other Cities

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Driving distance from Belgrade, MT to Helena 90.74 miles (146 km)

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Driving distance from Billings, MT to Helena 238.9 miles (384 km)

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Driving distance from Bozeman, MT to Helena 98.11 miles (158 km)

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Driving distance from Columbia Falls, MT to Helena 200.75 miles (323 km)

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Driving distance from East Helena, MT to Helena 6.16 miles (10 km)

Driving distance from Evergreen, MT to Helena 195.31 miles (314 km)

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Driving distance from Great Falls, MT to Helena 90.1 miles (145 km)

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Driving distance from Hamilton, MT to Helena 160.23 miles (258 km)

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Driving distance from Havre, MT to Helena 203.79 miles (328 km)

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Driving distance from Kalispell, MT to Helena 192.97 miles (311 km)

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Driving distance from Laurel, MT to Helena 223.28 miles (359 km)

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Driving distance from Lewistown, MT to Helena 194.68 miles (313 km)

Gas Cost Calculator