Distance between St. George UT and Boulder City NV

The distance from St. George to Boulder City is 145 miles by road including 140 miles on motorways. Road takes approximately 2 hours and 15 minutes and goes through North Las Vegas, Las Vegas, Henderson, Mesquite, Moapa Valley, Winchester and Paradise.

Shortest distance by air 104 mi ✈️
Car route length 144.8 mi 🚗
Driving time 2 h 15 min
Fuel amount 4.9 gal
Fuel cost 18.8 USD
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Compare this route in other services:
City
Town
Village
Hamlet
Motorway
Primary
Secondary
Unclassified
Point Distance Time Fuel
St. George 0 mi 0:00 00 min 0.0 gal
I 15 27 mi, 27 min
Desert Springs 27 mi 0:27 27 min 0.9 gal
I 15 12 mi, 11 min
Mesquite 39 mi 0:38 38 min 1.0 gal
I 15 21 mi, 17 min
Moapa Valley 60 mi 0:56 56 min 1.7 gal
I 15 51 mi, 45 min
North Las Vegas 111 mi 1:41 1 h 41 min 3.5 gal
I 15 9 mi, 08 min
Las Vegas 119 mi 1:50 1 h 50 min 4.0 gal
US 93 I 515 4 mi, 03 min
Winchester 124 mi 1:53 1 h 53 min 4.2 gal
I 515 2 mi, 02 min
Paradise 126 mi 1:55 1 h 55 min 4.2 gal
I 515 8 mi, 07 min
Henderson 134 mi 2:03 2 h 03 min 4.3 gal
US 95 US 93 BUS 11 mi, 12 min
Boulder City 145 mi 2:15 2 h 15 min 4.8 gal
City
Town
Village
Hamlet
Motorway
Primary
Secondary
Unclassified
Point Distance Time Fuel
St. George 0 mi 0:00 00 min 0.0 gal
I 15 27 mi, 27 min
Desert Springs 27 mi 0:27 27 min 0.9 gal
I 15 12 mi, 11 min
Mesquite 39 mi 0:38 38 min 1.0 gal
I 15 21 mi, 17 min
Moapa Valley 60 mi 0:56 56 min 1.7 gal
I 15 11 mi, 09 min
Glendale 70 mi 1:05 1 h 05 min 2.4 gal
I 15 40 mi, 35 min
North Las Vegas 111 mi 1:41 1 h 41 min 3.5 gal
I 15 9 mi, 08 min
Las Vegas 119 mi 1:50 1 h 50 min 4.0 gal
US 93 I 515 4 mi, 03 min
Winchester 124 mi 1:53 1 h 53 min 4.2 gal
I 515 2 mi, 02 min
Paradise 126 mi 1:55 1 h 55 min 4.2 gal
I 515 8 mi, 07 min
Henderson 134 mi 2:03 2 h 03 min 4.3 gal
US 95 US 93 BUS 11 mi, 12 min
Boulder City 145 mi 2:15 2 h 15 min 4.8 gal

Frequently Asked Questions

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

Fuel cost: 18.8 USD

This fuel cost is calculated as: (Route length 144.8 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 St. George to Boulder City?

Driving time: 2 h 15 min

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

  • 95 mi with a maximum speed 68 mph = 1 h 23 min
  • 30 mi with a maximum speed 65 mph = 27 min
  • 14 mi with a maximum speed 55 mph = 15 min
  • 2 mi with a maximum speed 50 mph = 3 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 St. George to Boulder City by land?

The distance between St. George and Boulder City is 144.8 mi by road including 139.8 mi on motorways.

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

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

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

How many hours is St. George from Boulder City 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 St. George to Boulder City?

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 St. George and Boulder City?

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

The distance from Glendale to St. George is 70 mi and driving will take about 1 h 5 min. The road between Glendale and Boulder City has length 75 mi and will take approximately 1 h 10 min.

The other cities located close to halfway point:

  • Moapa Valley is in 60 mi from St. George and 85 mi from Boulder City

Where is St. George in relation to Boulder City?

St. George is located 104 mi north-east of Boulder City.

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

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

Which highway goes from St. George to Boulder City?

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

Other minor sections pass along the road:

  • US 93: 41 mi
  • US 95: 21 mi
  • I 515: 12 mi
  • I 11: 9 mi
  • US 93 BUS: 4 mi
  • I 15 BUS: 1 mi
  • UT 18: 1 mi
  • I 15 Business: 1 mi
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