How far is San Antonio, TX from Potosi, TX?
The driving distance from San Antonio, TX to Potosi, TX is about 254.8 miles (410 km), with a travel time of about 04h 35m by car.
- The straight-line flight distance is about 212.3 miles (341.6 km).
- For a round trip, plan for roughly 09h 11m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
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 35m.
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.
City in Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between San Antonio and Potosi.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and Potosi.
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1
Start on Dolorosa Street
44 m · 5 sec · Dolorosa Street
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2
Continue on West Market Street
1042 ft · 28 sec · West Market Street
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3
Turn left onto Navarro Street
1.3 km · 2 min · Navarro Street
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4
Enter the roundabout and take exit 2 toward San Pedro Avenue
26 m · 2 sec · San Pedro Avenue
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5
Exit the roundabout onto San Pedro Avenue
2891 ft · 1 min · San Pedro Avenue
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6
Turn left onto West Cypress Street
604 ft · 10 sec · West Cypress Street
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7
Turn straight onto East Fredericksburg Road
1.2 mi · 2 min · East Fredericksburg Road
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8
Turn right onto Interstate 10 West
657 ft · 13 sec · Interstate 10 West
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9
Take the ramp slight left toward I 10 West, US 87 North
553 ft · 14 sec
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10
Merge slight left onto McDermott Freeway
12.8 mi · 15 min · McDermott Freeway
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11
Keep slight right
98.7 mi · 1 hr 37 min
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12
Take the exit slight right toward US 83 North, US 377: Junction, Menard
1665 ft · 44 sec
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13
Turn right onto North Main Street
29.3 mi · 31 min · North Main Street
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14
Continue on Frisco Avenue
41.9 mi · 45 min · Frisco Avenue
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15
Continue on Roberts Avenue
16.5 mi · 18 min · Roberts Avenue
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16
Turn right onto Hutchings Avenue
1.5 km · 2 min · Hutchings Avenue
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17
Turn straight onto US 83 North
44.7 mi · 50 min
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18
Take the exit right
1490 ft · 41 sec
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19
Turn right onto Clark Road
3 mi · 5 min · Clark Road
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20
At the end of the road, turn right
3 mi · 5 min
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21
Turn left onto Potosi Road
97 m · 14 sec · Potosi Road
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22
Arrive at your destination
0 m · 1 sec · Potosi Road
Car Route Details
A richer read on the saved driving route between San Antonio and Potosi.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
McDermott Freeway
Keep slight right
98.7 mi · 01h 37m
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.
Rain Showers leaving San Antonio and Chance Rain Showers near Potosi.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to Potosi?
The road trip is about 254.8 miles (410 km) and usually takes 04h 35m 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?
Junction is a useful midpoint, sitting about 127.6 miles from San Antonio and 127.3 miles from Potosi.
How much longer is the road route than the straight-line distance?
The direct path is about 212.3 miles (341.6 km), while the road route adds roughly 42.5 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 CST. If you want a more comfortable same-day return, try to leave by 7:48 AM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $31.57 one way or $63.15 round trip. Estimated CO2 is about 79.9 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around San Antonio and Chance Rain Showers near Potosi.
Flight Path Map
This map shows the direct air route between San Antonio and Potosi. Straight-line distance: 212.24 mi (341.56 km).
#1 San Antonio
The seventh most populous city in the United States and the center of the San Antonio metropolitan area.
| Population | 1,567,118 |
| Coordinates | 29.4241200, -98.4936300 |
| Altitude | 198 |
| Country | United States |
#2 Potosi
Potosi is a place in Texas, United States.
| Population | 0 |
| Coordinates | 32.3293000, -99.6564700 |
| Altitude | 555 |
| Country | United States |
End: Potosi (-99.65647, 32.3293)
Estimated Travel Time
Distance: 410 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 29m |
| 40 mph (64.37 km/h) | 06h 22m |
| 50 mph (80.47 km/h) | 05h 05m |
| 60 mph (96.56 km/h) | 04h 14m |
| 70 mph (112.65 km/h) | 03h 38m |
| 80 mph (129 km/h) | 03h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.51 | $31.57 | $63.15 |
| Mid-grade | $4.03 | $36.21 | $72.42 |
| Premium | $4.41 | $39.64 | $79.27 |
| Diesel | $5.62 | $50.56 | $101.12 |
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 Texas · Nov 08, 2026