How far is Casa Grande, AZ from San Tan Valley, AZ?
The driving distance from Casa Grande, AZ to San Tan Valley, AZ is about 43.5 miles (70 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 25.3 miles (40.7 km).
- For a round trip, plan for roughly 01h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM MST.
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 00h 55m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Casa Grande and San Tan Valley.
Turn-by-Turn Driving Directions
Step-by-step road directions between Casa Grande and San Tan Valley.
-
1
Start on West Gila Bend Highway
10 m · 8 sec · West Gila Bend Highway
-
2
Turn left onto North Pinal Avenue
7.9 mi · 13 min · North Pinal Avenue
-
3
Continue on State Route 387
2448 ft · 46 sec · State Route 387
-
4
Continue on Casa Grande-I-10-Coolidge Highway
1557 ft · 34 sec · Casa Grande-I-10-Coolidge Highway
-
5
Take the ramp left toward I 10 West: Phoenix
1782 ft · 20 sec
-
6
Merge slight left onto Phoenix-Casa Grande Highway
9.1 mi · 9 min · Phoenix-Casa Grande Highway
-
7
Take the exit slight right toward AZ 587 North: Chandler, Gilbert
1404 ft · 54 sec
-
8
Turn left
5.8 mi · 9 min
-
9
Continue on South Arizona Avenue
1 mi · 2 min · South Arizona Avenue
-
10
Turn right onto East Riggs Road
14.8 mi · 25 min · East Riggs Road
-
11
Continue on West Combs Road
1.3 mi · 2 min · West Combs Road
-
12
Continue on East Combs Road
2 mi · 4 min · East Combs Road
-
13
Turn right onto North Schnepf Road
2 mi · 5 min · North Schnepf Road
-
14
Arrive at your destination
0 m · 1 sec · East Skyline Drive
Car Route Details
A richer read on the saved driving route between Casa Grande and San Tan Valley.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
East Riggs Road
Turn right onto East Riggs Road
14.8 mi · 00h 25m
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.
Sunny leaving Casa Grande and Sunny near San Tan Valley.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Casa Grande to San Tan Valley?
The road trip is about 43.5 miles (70 km) and usually takes 00h 55m 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?
Sun Lakes is a useful midpoint, sitting about 22.7 miles from Casa Grande and 20.9 miles from San Tan Valley.
How much longer is the road route than the straight-line distance?
The direct path is about 25.3 miles (40.7 km), while the road route adds roughly 18.2 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 MST. If you want a more comfortable same-day return, try to leave by 4:38 PM MST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.58 one way or $15.15 round trip. Estimated CO2 is about 13.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Casa Grande and Sunny near San Tan Valley.
Stop Ideas Near Sun Lakes
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City of Chandler
City of Maricopa: City Hall
Chandler Passport Acceptance Office
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Sun Lakes.
Maricopa
Phoenix (Airport), Arizona
Phoenix (Greyhound), Arizona
Phoenix (Metro Center Transit Station), Arizona
Flight Path Map
This map shows the direct air route between Casa Grande and San Tan Valley. Straight-line distance: 25.3 mi (40.71 km).
#1 Casa Grande
The most populous city in Pinal County, Arizona.
| Population | 61,183 |
| Coordinates | 32.8795000, -111.7573500 |
| Altitude | 426 |
| Country | United States |
#2 San Tan Valley
This Arizonan community is situated in the Sonoran Desert, surrounded by the San Tan Mountains Regional Park.
| Population | 0 |
| Coordinates | 33.1911000, -111.5280000 |
| Altitude | 462 |
| Country | United States |
End: East Skyline Drive (-111.527989, 33.19109)
Estimated Travel Time
Distance: 70 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 26m |
| 40 mph (64.37 km/h) | 01h 05m |
| 50 mph (80.47 km/h) | 00h 52m |
| 60 mph (96.56 km/h) | 00h 43m |
| 70 mph (112.65 km/h) | 00h 37m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $7.58 | $15.15 |
| Mid-grade | $5.34 | $8.17 | $16.33 |
| Premium | $5.57 | $8.52 | $17.03 |
| Diesel | $6.37 | $9.74 | $19.48 |
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 Arizona · Jun 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.