How far is San Tan Valley, AZ from Douglas, AZ?
The driving distance from San Tan Valley, AZ to Douglas, AZ is about 211.9 miles (341.1 km), with a travel time of about 04h 31m by car.
- The straight-line flight distance is about 172.3 miles (277.3 km).
- For a round trip, plan for roughly 09h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM MST.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 31m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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 in Pima County, Arizona
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between San Tan Valley and Douglas.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Tan Valley and Douglas.
-
1
Start on East Skyline Drive
1.6 km · 2 min · East Skyline Drive
-
2
Turn right onto North Sierra Vista Drive
2 mi · 6 min · North Sierra Vista Drive
-
3
Turn right onto East Bella Vista Road
2 mi · 5 min · East Bella Vista Road
-
4
Turn left onto North Gantzel Road
1.2 mi · 2 min · North Gantzel Road
-
5
Turn left onto East Hunt Highway
8.7 mi · 13 min · East Hunt Highway
-
6
Turn right onto North Attaway Road
3 mi · 5 min · North Attaway Road
-
7
Turn right onto Florence-Coolidge Highway
2.9 mi · 4 min · Florence-Coolidge Highway
-
8
Turn left onto North Arizona Boulevard
8.6 mi · 15 min · North Arizona Boulevard
-
9
Continue on Junction I-10-Mesa Highway
10.7 mi · 16 min · Junction I-10-Mesa Highway
-
10
Turn left
1.2 km · 2 min
-
11
Merge slight left onto Casa Grande-Tucson Highway
42.7 mi · 44 min · Casa Grande-Tucson Highway
-
12
Continue on North Freeway
6.1 mi · 7 min · North Freeway
-
13
Continue on Tucson-Benson Highway
41.4 mi · 43 min · Tucson-Benson Highway
-
14
Take the exit slight right toward AZ 90 East: Fort Huachuca, Sierra Vista
3236 ft · 1 min
-
15
Turn right onto South State Highway 90
1.2 mi · 2 min · South State Highway 90
-
16
Continue on Huachuca Boulevard
9.1 mi · 10 min · Huachuca Boulevard
-
17
Continue on State Route 90
11.9 mi · 14 min · State Route 90
-
18
Continue on North Huachuca Boulevard
2.2 mi · 4 min · North Huachuca Boulevard
-
19
Continue on State Route 90
3 mi · 4 min · State Route 90
-
20
Turn left onto State Route 90 Bypass
4.4 mi · 7 min · State Route 90 Bypass
-
21
Turn left onto Whetstone TI-Junction SR 80 Highway
1.5 mi · 3 min · Whetstone TI-Junction SR 80 Highway
-
22
Continue on State Route 90
1.6 mi · 2 min · State Route 90
-
23
Continue on Whetstone TI-Junction SR 80 Highway
11.8 mi · 14 min · Whetstone TI-Junction SR 80 Highway
-
24
At the end of the road, turn right
10.2 mi · 16 min
-
25
Enter the roundabout and take exit 3 toward the route
158 m · 7 sec
-
26
Exit the roundabout
22.8 mi · 29 min
-
27
Turn left onto East 10th Street
2878 ft · 1 min · East 10th Street
-
28
Arrive at your destination
0 m · 1 sec · East 10th Street
Car Route Details
A richer read on the saved driving route between San Tan Valley and Douglas.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Casa Grande-Tucson Highway
Merge slight left onto Casa Grande-Tucson Highway
42.7 mi · 00h 44m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving San Tan Valley and Sunny near Douglas.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Tan Valley to Douglas?
The road trip is about 211.9 miles (341.1 km) and usually takes 04h 31m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Littletown is a useful midpoint, sitting about 106 miles from San Tan Valley and 105.9 miles from Douglas.
How much longer is the road route than the straight-line distance?
The direct path is about 172.3 miles (277.3 km), while the road route adds roughly 39.6 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 6:00 AM to 8:00 AM MST. If you want a more comfortable same-day return, try to leave by 7:58 AM MST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $37.03 one way or $74.07 round trip. Estimated CO2 is about 66.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around San Tan Valley and Sunny near Douglas.
Stop Ideas Near Littletown
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 Littletown.
Tucson
Benson
Flight Path Map
This map shows the direct air route between San Tan Valley and Douglas. Straight-line distance: 172.31 mi (277.31 km).
#1 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 |
#2 Douglas
City in Cochise County, Arizona, United States
| Population | 16,458 |
| Coordinates | 31.3445500, -109.5453400 |
| Altitude | 1222 |
| Country | United States |
End: Douglas (-109.54534, 31.34455)
Estimated Travel Time
Distance: 341 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 03m |
| 40 mph (64.37 km/h) | 05h 17m |
| 50 mph (80.47 km/h) | 04h 14m |
| 60 mph (96.56 km/h) | 03h 31m |
| 70 mph (112.65 km/h) | 03h 01m |
| 80 mph (129 km/h) | 02h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $37.03 | $74.07 |
| Mid-grade | $5.34 | $39.93 | $79.86 |
| Premium | $5.57 | $41.63 | $83.27 |
| Diesel | $6.37 | $47.62 | $95.24 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.