Calculating Your Route
Just a moment while we calculate your route...
Distance from Smithfield to Devils Slide
Route Information
The driving distance from Smithfield, Utah to Devils Slide, Utah is 87.7 mi (141.1 km)
The straight-line (air) distance is 55.6 mi (89.4 km)
The estimated flight time is 0 hr 7 min
The estimated travel time by road is 1 hour 28 minutes
Traveling highway, substantial in a south direction. Average speeds around 63 mph.
Location Details
Origin:
Destination:
Journey Summary
Traveling from Smithfield, Utah to Devils Slide, Utah covers 87.7 mi (141.1 km) in a south direction. This highway, substantial route typically takes 1 hour 28 minutes under normal conditions.
The route features scenic views, toll sections. with average speeds around 63 mph (101 km/h).
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.