Distance between Boulder City NV and St. George UT

The distance from Boulder City to St. George is 144 miles by road including 135 miles on motorways. Road takes approximately 2 hours and 15 minutes and goes through Henderson, Las Vegas, North Las Vegas, Whitney, Paradise, Winchester and Moapa Valley.

Shortest distance by air 104 mi ✈️
Car route length 143.5 mi 🚗
Driving time 2 h 15 min
Fuel amount 4.9 gal
Fuel cost 18.6 USD
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Compare this route in other services:
City
Town
Village
Hamlet
Motorway
Primary
Secondary
Unclassified
Point Distance Time Fuel
Boulder City 0 mi 0:00 00 min 0.0 gal
US 93 BUS 11 mi, 11 min
Henderson 11 mi 0:11 11 min 0.2 gal
US 93 8 mi, 07 min
Paradise 19 mi 0:19 19 min 0.6 gal
I 515 2 mi, 02 min
Winchester 21 mi 0:21 21 min 0.7 gal
I 515 3 mi, 03 min
Las Vegas 25 mi 0:24 24 min 0.8 gal
I 515 8 mi, 08 min
North Las Vegas 33 mi 0:32 32 min 0.9 gal
US 93 I 15 40 mi, 36 min
Glendale 73 mi 1:08 1 h 08 min 2.5 gal
I 15 3 mi, 02 min
Moapa Valley 76 mi 1:11 1 h 11 min 2.6 gal
I 15 19 mi, 17 min
Mesquite 96 mi 1:28 1 h 28 min 2.6 gal
I 15 48 mi, 46 min
St. George 144 mi 2:14 2 h 14 min 4.6 gal
City
Town
Village
Hamlet
Motorway
Primary
Secondary
Unclassified
Point Distance Time Fuel
Boulder City 0 mi 0:00 00 min 0.0 gal
US 93 BUS 11 mi, 11 min
Henderson 11 mi 0:11 11 min 0.2 gal
US 93 8 mi, 07 min
Paradise 19 mi 0:19 19 min 0.6 gal
I 515 2 mi, 02 min
Winchester 21 mi 0:21 21 min 0.7 gal
I 515 3 mi, 03 min
Las Vegas 25 mi 0:24 24 min 0.8 gal
I 515 8 mi, 08 min
North Las Vegas 33 mi 0:32 32 min 0.9 gal
US 93 I 15 40 mi, 36 min
Glendale 73 mi 1:08 1 h 08 min 2.5 gal
I 15 3 mi, 02 min
Moapa Valley 76 mi 1:11 1 h 11 min 2.6 gal
I 15 19 mi, 17 min
Mesquite 96 mi 1:28 1 h 28 min 2.6 gal
I 15 21 mi, 18 min
Desert Springs 117 mi 1:47 1 h 47 min 3.9 gal
I 15 27 mi, 27 min
St. George 144 mi 2:14 2 h 14 min 4.6 gal

Frequently Asked Questions

How much does it cost to drive from Boulder City to St. George?

Fuel cost: 18.6 USD

This fuel cost is calculated as: (Route length 143.5 mi) / (Fuel consumption 29.4 mpg) * (Fuel price 3.82 USD / gal)

You can adjust fuel consumption and fuel price here.

How long is a car ride from Boulder City to St. George?

Driving time: 2 h 15 min

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

  • 93 mi with a maximum speed 68 mph = 1 h 21 min
  • 27 mi with a maximum speed 65 mph = 25 min
  • 14 mi with a maximum speed 55 mph = 15 min
  • 6 mi with a maximum speed 50 mph = 6 min
  • 2 mi with a maximum speed 45 mph = 2 min
  • 1 mi with a maximum speed 35 mph = 1 min
  • 1 mi with a maximum speed 31 mph = 1 min

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

How far is Boulder City to St. George by land?

The distance between Boulder City and St. George is 143.5 mi by road including 135.5 mi on motorways.

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

How far is Boulder City to St. George by plane?

The shortest distance (air line, as the crow flies) between Boulder City and St. George is 104.4 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 Boulder City and St. George respectively. Actual distance between airports may be different.

How many hours is Boulder City from St. George by plane?

Boeing 737 airliner needs 12 min to cover the distance of 104 mi at a cruising speed of 497 mph.

Small plane "Cessna 172" needs 45 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 Boulder City to St. George?

Fast helicopter "Eurocopter AS350" or "Hughes OH-6 Cayuse" need 42 min to cover the distance of 104 mi at a cruising speed of 149 mph.

Popular "Robinson R44" needs 48 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 Boulder City and St. George?

The halfway point between Boulder City and St. George is Glendale. It is located about 2 mi from the exact midpoint by road.

The distance from Glendale to Boulder City is 73 mi and driving will take about 1 h 8 min. The road between Glendale and St. George has length 70 mi and will take approximately 1 h 6 min.

The other cities located close to halfway point:

  • Moapa Valley is in 76 mi from Boulder City and 67 mi from St. George

Where is Boulder City in relation to St. George?

Boulder City is located 104 mi south-west of St. George.

Boulder City has geographic coordinates: latitude 35.97858, longitude -114.83249.

St. George has geographic coordinates: latitude 37.10414, longitude -113.58413.

Which highway goes from Boulder City to St. George?

The route from Boulder City to St. George follows I 15.

Other minor sections pass along the road:

  • US 93: 37 mi
  • US 95: 19 mi
  • I 515: 12 mi
  • I 11: 8 mi
  • US 93 BUS: 4 mi
  • UT 18: 1 mi
  • I 15 BUS: 1 mi
  • I 15 Business: 1 mi
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