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Drive Time
3h 22m
Distance
160.7 mi
259 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$32
one way
EV Charging
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station data
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Sierra Vista, AZ
Leslie del Moral
San Tan Valley, AZ
Mark Direen
The drive from Sierra Vista, AZ to San Tan Valley, AZ covers 160.7 miles and takes about 3h 22m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Casa Grande-Tucson Highway, Tucson-Benson Highway, State Route 90 for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 42.8 miles on Casa Grande-Tucson Highway. At current regular gas prices, budget about $32.01 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
80.4 miles from Sierra Vista, AZ
A natural place for your longest stop of the day , about 1h 31m into the drive .
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Expect a 3h 22m drive with frequent turns across 160.7 miles of local and secondary roads.
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 14 points where you need to pay attention to lane position or signs. The trickiest moment comes around 29.1 miles in.
Moderate - straightforward overall, but long enough or busy enough to require pacing
This drive requires moderate attention. Across 160.7 miles you will encounter 14 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 29.1 miles: Multiple destination signs - pick the right one; at 80.9 miles (I 10 / Casa Grande-Tucson Highway): Highway fork - watch signs carefully. Lane positioning matters here; at 120 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
These are the spots where you need to pay the most attention. Preview them before you drive.
Turn left toward I 10, Tuscon, South Tuscon
Multiple destination signs - pick the right one
Keep slight left at fork onto I 10 / Casa Grande-Tucson Highway
Highway fork - watch signs carefully. Lane positioning matters here
Take the exit toward AZ 87 North: Coolidge, Florence
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Turn left onto North Attaway Road
Lane positioning matters here
Turn right onto North Gantzel Road
Lane positioning matters here
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Sierra Vista, AZ and San Tan Valley, AZ, road signs point toward Tuscon and Florence.
Tuscon
Florence
| Road | Distance | Duration |
|---|---|---|
| Casa Grande-Tucson Highway | 42.8 mi | 44m |
| Tucson-Benson Highway | 41.4 mi | 43m |
| State Route 90 | 15 mi | 17m |
| Junction I-10-Mesa Highway | 10.5 mi | 15m |
| Huachuca Boulevard | 9 mi | 10m |
| West Hunt Highway | 8.7 mi | 13m |
| J Street | 8.6 mi | 14m |
| South Freeway | 6 mi | 6m |
Step-by-step road directions between Sierra Vista, AZ and San Tan Valley, AZ.
Start on this road
Turn right onto West Fry Boulevard
Turn right onto Buffalo Soldier Trail
Continue on AZ 90
Continue on AZ 90
Continue on AZ 90
Continue on AZ 90
Continue on AZ 90
Turn left
Merge onto I 10
Continue on I 10
Continue on I 10
Keep slight left at fork onto I 10
Take the exit
Keep slight right at fork
Turn straight onto AZ 87
Continue on AZ 87; AZ 287
Turn right onto AZ 287
Turn left onto North Attaway Road
At end of road, turn left onto West Hunt Highway
Turn right onto North Gantzel Road
Turn right onto East Bella Vista Road
Turn left onto North Sierra Vista Drive
Turn left onto East Skyline Drive
Arrive at destination
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 80 miles or 1h 31m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 80.4 miles or 1h 31m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 29m
Traffic, exits, and arrival timing usually matter more near San Tan Valley, AZ than in the middle of the route.
Open the route before leaving Sierra Vista, AZ so your first major turns are already loaded.
Leave with enough water and a charging cable within reach, not packed away.
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Sierra Vista, AZ
This is one driving day of about 160.7 miles and 3h 22m.
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 80.4 mi from Sierra Vista, AZ · 1h 31m into the drive
Mid-route town
Meal stop
80 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 80 miles helps settle the day before fatigue starts building.
The midpoint is around 80.4 miles from Sierra Vista, AZ, which is a good place for a longer meal and fuel stop.
The final approach into San Tan Valley, AZ usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around San Tan Valley, AZ.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$32.01 one way
$64.03 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.36 | $33.88 | $67.76 |
| premium | $5.59 | $35.37 | $70.75 |
| diesel | $5.61 | $35.48 | $70.96 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$32
Meals
$25–$50
Total
$57–$82
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 56.2 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $17 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 48.2 | 0 | $16.87 | $7.71 |
| Efficient EV | 40.2 | 0 | $14.06 | $6.43 |
| EV Truck/SUV | 64.3 | 0 | $22.50 | $10.28 |
Gas CO2
56 kg
EV CO2
19 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Late night in Sierra Vista on Wednesday
Local time
3:24 AM
MST
Current temp
54°F
Mostly Cloudy
Wind Advisory
Wind Advisory issued April 12 at 7:45PM MST until April 13 at 8:00PM MST by NWS Flagstaff AZ
Destination
Late night in San Tan Valley on Wednesday
Local time
3:24 AM
MST
Current temp
59°F
Mostly Cloudy
Wind Advisory
Wind Advisory issued April 12 at 7:45PM MST until April 13 at 8:00PM MST by NWS Flagstaff AZ
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
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