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Distance from Smithfield to Mountain Green

Driving Distance
75.3 mi 121.1 km
Flying Distance
48.0 mi 77.3 km

Route Information

The driving distance from Smithfield, Utah to Mountain Green, Utah is 75.3 mi (121.1 km)

The straight-line (air) distance is 48.0 mi (77.3 km)

The estimated flight time is 0 hr 6 min

The estimated travel time by road is 1 hour 29 minutes

Traveling highway, substantial in a south direction. Average speeds around 59 mph.

Location Details

Origin:

Smithfield
Place Smithfield
State/Province Utah
Country US
Latitude 41.838262
Longitude -111.832723
GPS 41.838262° N, 111.832723° W
Local Time 11:14 PM
Timezone America/Denver

Destination:

Mountain Green
Place Mountain Green
State/Province Utah
Country US
Latitude 41.142999
Longitude -111.791604
GPS 41.142999° N, 111.791604° W
Local Time 11:14 PM
Timezone America/Denver

Journey Summary

Traveling from Smithfield, Utah to Mountain Green, Utah covers 75.3 mi (121.1 km) in a south direction. This highway, substantial route typically takes 1 hour 29 minutes under normal conditions.

Drivers have 2 route options between these locations (69.9-75.3 miles / 113-121 km). The primary route shown here saves 17 minutes compared to alternatives.

The route features scenic views along the way. with average speeds around 59 mph (95 km/h).

Available Routes

US-91 S
75.3 mi 1 hour 29 minutes
Shortest
US-91 S and I-15 S/I-84 E
69.9 mi 1 hour 12 minutes
Fastest

How is the distance calculated?

Driving distances are based on actual road data. We use advanced routing algorithms that consider traffic, tolls, highways, and local streets. For air distances (as the crow flies), we use the Vincenty formula. It's a precise method that accounts for the Earth's shape and provides accuracy up to 0.5 mm.

When multiple route options exist, we display both the shortest and fastest paths. Travel times are estimated based on typical speeds for each road type, though actual times may vary with traffic and weather conditions. All distances are shown in both miles and kilometers for convenience.