Shortest distance between Sidney and Helena is 378.11 miles (608.51 km).
Flight distance from Sidney, MT to Helena, MT is 378.11 miles. Estimated flight time is 00 hours 56 minutes.
It takes 00 hours 50 minutes to travel from Sidney to Helena with an airplane (average speed of 550 miles).
The driving distance from Sidney, Montana to Helena, Montana is: 464.99 miles (748.33 km) by car.
Driving from Sidney to Helena will take approximately 07 hours 31 minutes.
The distance between Sidney and Helena is 748 km if you choose to drive by road. You can go 08 hours 18 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 Sidney and Helena. The current time is 16:48:10.
|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 17 minutes|
|60 mph (96.56 km/h)||07 hours 44 minutes|
|70 mph (112.65 km/h)||06 hours 38 minutes|
|75 mph (120.7 km/h)||06 hours 11 minutes|
|80 mph (128.75 km/h)||05 hours 48 minutes|
A car with a fuel efficiency of 8.3 l/100 km will need 62.11 liters (16.41 gallon) of gas to cover the route between Sidney and Helena.
The estimated cost of gas to go from Sidney to Helena is $67.31 (diesel $79.56).
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 per gallon of daily gas for calculations is $4.102 (Diesel $4.849) /gallon. Last changed prices on December 09, 2022.
The place names are translated into coordinates to approximate the distance between Sidney and Helena (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.