Distance between Ennis MT and Boulder MT

The distance from Ennis to Boulder is 76 miles by road. Road takes approximately 1 hour and 23 minutes and goes through Harrison, McAllister, Norris, Summit Valley, Jefferson Island and Cardwell.

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City
Town
Village
Hamlet
Motorway
Primary
Secondary
Unclassified
Point Distance Time Fuel
Ennis 0 mi 0:00 00 min 0.0 gal
US 287 7 mi, 07 min
McAllister 7 mi 0:07 07 min 0.2 gal
US 287 9 mi, 10 min
Norris 16 mi 0:18 18 min 0.5 gal
US 287 10 mi, 11 min
Harrison 27 mi 0:29 29 min 0.8 gal
US 287 MT 359 7 mi, 08 min
Summit Valley 34 mi 0:37 37 min 1.0 gal
MT 359 7 mi, 07 min
Jefferson Island 41 mi 0:45 45 min 1.4 gal
MT 359 1 mi, 01 min
Cardwell 42 mi 0:47 47 min 1.4 gal
MT 359 MT 69 34 mi, 36 min
Boulder 76 mi 1:23 1 h 23 min 2.5 gal

Frequently Asked Questions

How much does it cost to drive from Ennis to Boulder?

Fuel cost: 9.7 USD

This fuel cost is calculated as: (Route length 75.8 mi) / (Fuel consumption 29.4 mpg) * (Fuel price 3.75 USD / gal)

You can adjust fuel consumption and fuel price here.

How long is a car ride from Ennis to Boulder?

Driving time: 1 h 23 min

This time is calculated for driving at the maximum permitted speed, taking into account traffic rules restrictions.

  • 66 mi with a maximum speed 56 mph = 1 h 10 min
  • 1 mi with a maximum speed 55 mph = 1 min
  • 3 mi with a maximum speed 50 mph = 4 min
  • 3 mi with a maximum speed 45 mph = 4 min
  • 2 mi with a maximum speed 35 mph = 2 min

The calculated driving time does not take into account intermediate stops and traffic jams.

How far is Ennis to Boulder by land?

The distance between Ennis and Boulder is 75.8 mi by road.

Precise satellite coordinates of highways were used for this calculation. The start and finish points are the centers of Ennis and Boulder respectively.

How far is Ennis to Boulder by plane?

The shortest distance (air line, as the crow flies) between Ennis and Boulder is 64 mi.

This distance is calculated using the Haversine formula as a great-circle distance between two points on the surface of a sphere. The start and finish points are the centers of Ennis and Boulder respectively. Actual distance between airports may be different.

How many hours is Ennis from Boulder by plane?

Boeing 737 airliner needs 7 min to cover the distance of 64 mi at a cruising speed of 497 mph.

Small plane "Cessna 172" needs 28 min to flight this distance at average speed of 136 mph.

This time is approximate and do not take into account takeoff and landing times, airport location and other real world factors.

How long is a helicopter ride from Ennis to Boulder?

Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 25 min to cover the distance of 64 mi at a cruising speed of 149 mph.

Popular "Robinson R44" needs 29 min to flight this distance at average speed of 130 mph.

This time is approximate and do not take into account takeoff and landing times, aerodrome location and other real world factors.

What city is halfway between Ennis and Boulder?

The halfway point between Ennis and Boulder is Jefferson Island. It is located about 3 mi from the exact midpoint by road.

The distance from Jefferson Island to Ennis is 41 mi and driving will take about 45 min. The road between Jefferson Island and Boulder has length 35 mi and will take approximately 38 min.

The other cities located close to halfway point:

  • Summit Valley is in 34 mi from Ennis and 42 mi from Boulder
  • Cardwell is in 42 mi from Ennis and 34 mi from Boulder
  • Harrison is in 27 mi from Ennis and 49 mi from Boulder

Where is Ennis in relation to Boulder?

Ennis is located 64 mi south-east of Boulder.

Ennis has geographic coordinates: latitude 45.34882, longitude -111.7297.

Boulder has geographic coordinates: latitude 46.2366, longitude -112.12083.

Which highway goes from Ennis to Boulder?

The route from Ennis to Boulder follows MT 69, US 287.

Other minor sections pass along the road:

  • MT 359: 15 mi
  • MT 2: 1 mi
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