How far is St. Petersburg, FL from San Antonio, FL?
The driving distance from St. Petersburg, FL to San Antonio, FL is about 54.6 miles (87.8 km), with a travel time of about 01h 09m by car.
- The straight-line flight distance is about 46.2 miles (74.4 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 EDT.
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 01h 09m.
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 in Hillsborough County, Florida
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between St. Petersburg and San Antonio.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Petersburg and San Antonio.
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1
Start on 34th Street South
2326 ft · 1 min · 34th Street South
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2
Turn right onto 5th Avenue North
1.2 mi · 2 min · 5th Avenue North
-
3
Take the ramp left toward I 275 North
1811 ft · 50 sec
-
4
Merge slight left
37.7 mi · 47 min
-
5
Merge slight left
11 mi · 12 min
-
6
Take the exit slight right toward FL 52: Dade City, San Antonio
1846 ft · 45 sec
-
7
Keep slight right to continue on FL 52 East
64 m · 6 sec
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8
Turn straight onto State Road 52
1.2 mi · 2 min · State Road 52
-
9
Turn slight left
103 m · 14 sec
-
10
Continue on Old State Road 52
1.9 mi · 3 min · Old State Road 52
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11
Turn left onto Curley Street
1552 ft · 50 sec · Curley Street
-
12
Turn left onto Pennsylvania Avenue
19 m · 3 sec · Pennsylvania Avenue
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13
Arrive at your destination
0 m · 1 sec · Pennsylvania Avenue
Car Route Details
A richer read on the saved driving route between St. Petersburg and San Antonio.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 275 North
Merge slight left
37.7 mi · 00h 47m
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.
Partly Sunny leaving St. Petersburg and Mostly Cloudy near San Antonio.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Petersburg to San Antonio?
The road trip is about 54.6 miles (87.8 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?
Egypt Lake-Leto is a useful midpoint, sitting about 27.3 miles from St. Petersburg and 27.2 miles from San Antonio.
How much longer is the road route than the straight-line distance?
The direct path is about 46.2 miles (74.4 km), while the road route adds roughly 8.4 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 EDT. If you want a more comfortable same-day return, try to leave by 4:10 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.01 one way or $16.01 round trip. Estimated CO2 is about 17.2 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around St. Petersburg and Mostly Cloudy near San Antonio.
Stop Ideas Near Egypt Lake-Leto
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 Egypt Lake-Leto.
Union Station
St Petersburg-Pinellas Park-Clearwater, Florida
Dade City, Florida
Lakeland
Flight Path Map
This map shows the direct air route between St. Petersburg and San Antonio. Straight-line distance: 46.2 mi (74.35 km).
#1 St. Petersburg
The second most populous city in Florida.
| Population | 253,693 |
| Coordinates | 27.7708600, -82.6792700 |
| Altitude | 13 |
| Country | United States |
#2 San Antonio
City in Pasco County, Florida, USA
| Population | 1,506 |
| Coordinates | 28.3361100, -82.2745300 |
| Altitude | 51 |
| Country | United States |
End: San Antonio (-82.27453, 28.33611)
Estimated Travel Time
Distance: 88 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 49m |
| 40 mph (64.37 km/h) | 01h 21m |
| 50 mph (80.47 km/h) | 01h 05m |
| 60 mph (96.56 km/h) | 00h 54m |
| 70 mph (112.65 km/h) | 00h 46m |
| 80 mph (129 km/h) | 00h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $8.01 | $16.01 |
| Mid-grade | $4.60 | $8.87 | $17.74 |
| Premium | $4.90 | $9.45 | $18.90 |
| Diesel | $4.35 | $8.40 | $16.79 |
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 Florida · Jun 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.