How far is San Tan Valley, AZ from Casa Grande, AZ?

The driving distance from San Tan Valley, AZ to Casa Grande, AZ is about 45.1 miles (72.6 km), with a travel time of about 01h 09m by car.

  • The straight-line flight distance is about 25.3 miles (40.7 km).
  • For a round trip, plan for roughly 02h 19m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM MST.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
45.13 mi
01h 09m
Flight
25.3 mi
40.71 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from San Tan Valley.

Flight Distance

Direct air line
25.3 mi
Kilometers
40.71 km
Flight Time
00h 03m

Driving Distance

Road route
45.13 mi
Kilometers
72.63 km
Drive Time
01h 09m

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 09m.

Arrival Snapshot
Arrive in Casa Grande
Wed, Jun 3, 12:04 PM MST
Return by in San Tan Valley
Wed, Jun 3, 1:14 PM MST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave San Tan Valley
2026-06-03T10:55
Arrive Casa Grande
Wed, Jun 3, 12:04 PM MST
Route Timing
01h 09m
One way by road
Best Departure Window
8:00 AM to 10:00 AM MST
Aim for a morning departure
Arrive between
9:10 AM to 11:10 AM MST

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:10 PM MST
Keeps a same-day return open with about 03h 00m at the destination.
Back in San Tan Valley
9:30 PM MST
Morning start is best

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.

Mid-route stop
Sun Lakes
AZ

Census designated place

From San Tan Valley
22.6 mi
00h 34m
To Casa Grande
22.6 mi
00h 34m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
103°F
Wednesday

Sunny

Starts
Wed, Jun 3 6:00 AM MST
Wind
0 to 10 mph SSW
Destination
101°F
Wednesday

Sunny

Starts
Wed, Jun 3 6:00 AM MST
Wind
0 to 5 mph WNW

Driving Route Map

The map below follows the saved road route between San Tan Valley and Casa Grande.

Turn-by-Turn Driving Directions

Step-by-step road directions between San Tan Valley and Casa Grande.

  1. 1

    Start on East Skyline Drive

    46 m · 4 sec · East Skyline Drive

  2. 2

    Continue on North Schnepf Road

    2 mi · 5 min · North Schnepf Road

  3. 3

    Turn left onto East Combs Road

    2 mi · 4 min · East Combs Road

  4. 4

    Continue on West Combs Road

    1.3 mi · 2 min · West Combs Road

  5. 5

    Continue on East Riggs Road

    14.8 mi · 24 min · East Riggs Road

  6. 6

    Turn left onto South Arizona Avenue

    1 mi · 2 min · South Arizona Avenue

  7. 7

    Continue straight

    6.1 mi · 9 min

  8. 8

    Take the ramp left toward I 10 East: Tucson

    1507 ft · 37 sec

  9. 9

    Merge slight left onto Phoenix-Casa Grande Highway

    8.8 mi · 9 min · Phoenix-Casa Grande Highway

  10. 10

    Take the exit slight right toward AZ 187, AZ 387: Casa Grande, Coolidge

    1721 ft · 33 sec

  11. 11

    Keep slight right to continue on AZ 387 South: Casa Grande, Casa Grande Airport

    653 ft · 16 sec

  12. 12

    Turn straight onto State Route 387

    2035 ft · 39 sec · State Route 387

  13. 13

    Continue on North Pinal Avenue

    7.9 mi · 13 min · North Pinal Avenue

  14. 14

    Arrive at your destination

    0 m · 1 sec · West Gila Bend Highway

Car Route Details

A richer read on the saved driving route between San Tan Valley and Casa Grande.

OSRM road route
Drive Character

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.

Directions
14 steps
3 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
31 / 100 mi
Decision points by distance
Main Roads
East Riggs Road
14.8 mi · 33%
Phoenix-Casa Grande Highway
8.84 mi · 20%
North Pinal Avenue
7.93 mi · 18%
South Arizona Avenue
7.11 mi · 16%
East Combs Road
2 mi · 4%
North Schnepf Road
1.99 mi · 4%
Longest Stretch

East Riggs Road

Continue on East Riggs Road

14.8 mi · 00h 24m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 09m
Day trip friendly
Same-Day Return
02h 20m
Round-trip wheel time
Road vs Air
+19.8 mi
25.3 mi direct line
Halfway Stop
Sun Lakes
00h 34m from San Tan Valley
Leave By
4:10 PM MST
Morning start is best
Weather Watch

Sunny leaving San Tan Valley and Sunny near Casa Grande.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from San Tan Valley to Casa Grande?

The road trip is about 45.1 miles (72.6 km) and usually takes 01h 09m 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 22.6 miles from San Tan Valley and 22.6 miles from Casa Grande.

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 19.8 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 4:10 PM MST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.87 one way or $15.74 round trip. Estimated CO2 is about 14.1 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around San Tan Valley and Sunny near Casa Grande.

Stop Ideas Near Sun Lakes

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Sun Lakes and the surrounding midpoint area.
City of Chandler
Scenic stop 5.6 mi away

City of Chandler

Chandler , AZ
3737 S Old Price Rd, Chandler, AZ 85248, United States
Rating 5.0/5 3 reviews City or town hall,Historic city center
City of Maricopa: City Hall
Meeting point 12.9 mi away

City of Maricopa: City Hall

Maricopa , AZ
39700 W Civic Center Plaza, Maricopa, AZ 85138, United States
Rating 4.8/5 23 reviews City or town hall,City government office
Chandler Passport Acceptance Office
Nearby stop 8.2 mi away

Chandler Passport Acceptance Office

Chandler , AZ
175 S Arizona Ave, Chandler, AZ 85225, United States
Rating 3.6/5 26 reviews Passport office

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Sun Lakes.

RAIL

Maricopa

23 mi away
19427 N. John Wayne Parkway
BUS

Phoenix (Airport), Arizona

28 mi away
3400 East Sky Harbor Blvd.
BUS

Phoenix (Greyhound), Arizona

29 mi away
2115 East Buckeye Road
BUS

Phoenix (Metro Center Transit Station), Arizona

44 mi away
9617 North Metro Parkway West

Flight Path Map

This map shows the direct air route between San Tan Valley and Casa Grande. Straight-line distance: 25.3 mi (40.71 km).

Photo coming soon

#1 San Tan Valley

This Arizonan community is situated in the Sonoran Desert, surrounded by the San Tan Mountains Regional Park.

Population0
Coordinates33.1911000, -111.5280000
Altitude462
CountryUnited States
Casa Grande

#2 Casa Grande

The most populous city in Pinal County, Arizona.

Population61,183
Coordinates32.8795000, -111.7573500
Altitude426
CountryUnited States
Start: San Tan Valley (-111.528, 33.1911)
End: Casa Grande (-111.75735, 32.8795)

Estimated Travel Time

Distance: 73 km by road

SpeedTime
30 mph (48.3 km/h)01h 30m
40 mph (64.37 km/h)01h 07m
50 mph (80.47 km/h)00h 54m
60 mph (96.56 km/h)00h 45m
70 mph (112.65 km/h)00h 38m
80 mph (129 km/h)00h 33m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.59 gal
6.03 L · about $7.87
Round trip
$15.74
3.18 gal · 12.06 L
Estimated CO2
14.1 kg one way
Round trip: 28.3 kg / 62 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $7.87 $15.74
Mid-grade $5.34 $8.49 $16.97
Premium $5.57 $8.85 $17.70
Diesel $6.37 $10.12 $20.24

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

There is no time difference between San Tan Valley and Casa Grande. The current time is 10:55:05.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.