How far is Smithfield, UT from Lehi, UT?
The driving distance from Smithfield, UT to Lehi, UT is about 116.7 miles (187.8 km), with a travel time of about 01h 54m by car.
- The straight-line flight distance is about 100 miles (160.9 km).
- For a round trip, plan for roughly 03h 48m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 01h 54m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Weber County, Utah, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Smithfield and Lehi.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smithfield and Lehi.
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1
Start on Main Street
4.2 mi · 7 min · Main Street
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2
Turn right onto Airport Road
1.3 mi · 2 min · Airport Road
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3
Turn left onto 1000 West
5.6 mi · 8 min · 1000 West
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4
Turn right
23.7 mi · 29 min
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5
Take the exit straight
2241 ft · 41 sec
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6
Merge slight left onto Veterans Memorial Highway
20.7 mi · 21 min · Veterans Memorial Highway
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7
Keep slight left to continue on Veterans Memorial Highway
27.4 mi · 29 min · Veterans Memorial Highway
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8
Keep slight left to continue on Veterans Memorial Highway
8.2 mi · 9 min · Veterans Memorial Highway
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9
Keep slight left to continue on Veterans Memorial Highway
22 mi · 24 min · Veterans Memorial Highway
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10
Take the exit slight right toward SR 194 West: 2100 North
3053 ft · 1 min
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11
Continue on Thanksgiving Way
1297 ft · 34 sec · Thanksgiving Way
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12
Continue on State Street
1.7 mi · 3 min · State Street
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13
Turn right onto Center Street
2420 ft · 1 min · Center Street
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14
Turn right onto West 300 North
131 m · 21 sec · West 300 North
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15
Turn right onto 100 West
31 m · 5 sec · 100 West
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16
Arrive at your destination
0 m · 1 sec · 100 West
Car Route Details
A richer read on the saved driving route between Smithfield and Lehi.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Veterans Memorial Highway
Keep slight left to continue on Veterans Memorial Highway
27.4 mi · 00h 29m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny then Chance Showers And Thunderstorms leaving Smithfield and Mostly Sunny then Slight Chance Showers And Thunderstorms near Lehi.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smithfield to Lehi?
The road trip is about 116.7 miles (187.8 km) and usually takes 01h 54m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Roy is a useful midpoint, sitting about 58.3 miles from Smithfield and 58.3 miles from Lehi.
How much longer is the road route than the straight-line distance?
The direct path is about 100 miles (160.9 km), while the road route adds roughly 16.7 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM MDT. If you want a more comfortable same-day return, try to leave by 2:42 PM MDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.04 one way or $32.08 round trip. Estimated CO2 is about 36.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Chance Showers And Thunderstorms around Smithfield and Mostly Sunny then Slight Chance Showers And Thunderstorms near Lehi.
Stop Ideas Near Roy
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Roy.
Ogden, Utah
Salt Lake City Intermodal Hub
Salt Lake City Intermodal Hub
Provo
Flight Path Map
This map shows the direct air route between Smithfield and Lehi. Straight-line distance: 99.96 mi (160.87 km).
#1 Smithfield
City in Cache County, Utah
| Population | 12,117 |
| Coordinates | 41.8382600, -111.8327200 |
| Altitude | 1403 |
| Country | United States |
#2 Lehi
The most populous city in Utah County, Utah.
| Population | 73,383 |
| Coordinates | 40.3916200, -111.8507700 |
| Altitude | 1391 |
| Country | United States |
End: North 100 West (-111.850879, 40.391617)
Estimated Travel Time
Distance: 188 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 53m |
| 40 mph (64.37 km/h) | 02h 55m |
| 50 mph (80.47 km/h) | 02h 20m |
| 60 mph (96.56 km/h) | 01h 56m |
| 70 mph (112.65 km/h) | 01h 40m |
| 80 mph (129 km/h) | 01h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $16.04 | $32.08 |
| Mid-grade | $4.23 | $17.43 | $34.86 |
| Premium | $4.55 | $18.74 | $37.48 |
| Diesel | $5.41 | $22.30 | $44.59 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Utah · May 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.