Distance between Grayling MT and Boulder MT

The distance from Grayling to Boulder is 134 miles by road. Road takes approximately 2 hours and 27 minutes and goes through Ennis, Harrison, Lakeview, Cameron, McAllister, Norris and Summit Valley.

Shortest distance by air 109 mi ✈️
Car route length 134.2 mi 🚗
Driving time 2 h 27 min
Fuel amount 4.6 gal
Fuel cost 17.7 USD
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Compare this route in other services:
City
Town
Village
Hamlet
Motorway
Primary
Secondary
Unclassified
Point Distance Time Fuel
Grayling 0 mi 0:00 00 min 0.0 gal
US 287 48 mi, 52 min
Cameron 48 mi 0:52 52 min 1.4 gal
US 287 10 mi, 11 min
Ennis 58 mi 1:03 1 h 03 min 2.0 gal
US 287 6 mi, 07 min
McAllister 65 mi 1:11 1 h 11 min 2.2 gal
US 287 9 mi, 10 min
Norris 75 mi 1:21 1 h 21 min 2.5 gal
US 287 10 mi, 11 min
Harrison 85 mi 1:33 1 h 33 min 2.8 gal
US 287 MT 359 7 mi, 08 min
Summit Valley 92 mi 1:41 1 h 41 min 3.0 gal
MT 359 7 mi, 07 min
Jefferson Island 99 mi 1:49 1 h 49 min 3.4 gal
MT 359 1 mi, 01 min
Cardwell 101 mi 1:50 1 h 50 min 3.4 gal
MT 359 MT 69 34 mi, 36 min
Boulder 134 mi 2:27 2 h 27 min 4.4 gal

Frequently Asked Questions

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

Fuel cost: 17.7 USD

This fuel cost is calculated as: (Route length 134.2 mi) / (Fuel consumption 29.4 mpg) * (Fuel price 3.88 USD / gal)

You can adjust fuel consumption and fuel price here.

How long is a car ride from Grayling to Boulder?

Driving time: 2 h 27 min

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

  • 123 mi with a maximum speed 56 mph = 2 h 11 min
  • 1 mi with a maximum speed 55 mph = 1 min
  • 3 mi with a maximum speed 50 mph = 4 min
  • 4 mi with a maximum speed 45 mph = 4 min
  • 2 mi with a maximum speed 35 mph = 3 min
  • 1 mi with a maximum speed 25 mph = 1 min

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

How far is Grayling to Boulder by land?

The distance between Grayling and Boulder is 134.2 mi by road.

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

How far is Grayling to Boulder by plane?

The shortest distance (air line, as the crow flies) between Grayling and Boulder is 108.7 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 Grayling and Boulder respectively. Actual distance between airports may be different.

How many hours is Grayling from Boulder by plane?

Boeing 737 airliner needs 13 min to cover the distance of 109 mi at a cruising speed of 497 mph.

Small plane "Cessna 172" needs 47 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 Grayling to Boulder?

Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 43 min to cover the distance of 109 mi at a cruising speed of 149 mph.

Popular "Robinson R44" needs 50 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 Grayling and Boulder?

The halfway point between Grayling and Boulder is McAllister. It is located about 2 mi from the exact midpoint by road.

The distance from McAllister to Grayling is 65 mi and driving will take about 1 h 11 min. The road between McAllister and Boulder has length 69 mi and will take approximately 1 h 15 min.

The other cities located close to halfway point:

  • Norris is in 75 mi from Grayling and 60 mi from Boulder
  • Ennis is in 58 mi from Grayling and 75 mi from Boulder
  • Harrison is in 85 mi from Grayling and 49 mi from Boulder

Where is Grayling in relation to Boulder?

Grayling is located 109 mi south-east of Boulder.

Grayling has geographic coordinates: latitude 44.80548, longitude -111.19439.

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

Which highway goes from Grayling to Boulder?

The route from Grayling to Boulder follows US 287.

Other minor sections pass along the road:

  • MT 69: 32 mi
  • MT 359: 15 mi
  • MT 2: 1 mi
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