How far is San Antonio, FL from St. Petersburg, FL?
The driving distance from San Antonio, FL to St. Petersburg, FL is about 55.1 miles (88.7 km), with a travel time of about 00h 57m by car.
- The straight-line flight distance is about 46.2 miles (74.4 km).
- For a round trip, plan for roughly 01h 55m 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 00h 57m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
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.
Mostly Cloudy
Partly Sunny
Driving Route Map
The map below follows the saved road route between San Antonio and St. Petersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between San Antonio and St. Petersburg.
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1
Start on Pennsylvania Avenue
19 m · 5 sec · Pennsylvania Avenue
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2
Turn right onto Curley Street
1552 ft · 48 sec · Curley Street
-
3
Turn right onto Old State Road 52
1.9 mi · 3 min · Old State Road 52
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4
Turn right onto McCabe Road
144 m · 9 sec · McCabe Road
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5
Continue on State Road 52
1.4 mi · 3 min · State Road 52
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6
Take the ramp sharp left toward FL 52: Dade City, New Port Richey
33 m · 3 sec
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7
Turn slight left onto State Road 52
95 m · 6 sec · State Road 52
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8
Take the ramp slight right toward I 75 South: Tampa, Saint Petersburg
3038 ft · 1 min
-
9
Merge slight left
10.9 mi · 12 min
-
10
Take the exit slight right toward I 275 South: Tampa, Saint Petersburg
799 ft · 10 sec
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11
Continue on I 275 South: Airport, Tampa, Saint Petersburg
37.4 mi · 46 min
-
12
Take the exit slight right toward FL 595: Treasure Island, Florida Orange Groves Winery
1409 ft · 34 sec
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13
Turn right onto 5th Avenue North
1.2 mi · 2 min · 5th Avenue North
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14
Turn left onto 34th Street North
2693 ft · 1 min · 34th Street North
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15
Continue on 34th Street South
99 m · 14 sec · 34th Street South
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16
Arrive at your destination
0 m · 1 sec · 34th Street South
Car Route Details
A richer read on the saved driving route between San Antonio and St. Petersburg.
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 South
Continue on I 275 South: Airport, Tampa, Saint Petersburg
37.4 mi · 00h 46m
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.
Mostly Cloudy leaving San Antonio and Partly Sunny near St. Petersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from San Antonio to St. Petersburg?
The road trip is about 55.1 miles (88.7 km) and usually takes 00h 57m 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 27.5 miles from San Antonio and 27.7 miles from St. Petersburg.
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 8.9 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 4:34 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.05 one way or $16.09 round trip. Estimated CO2 is about 17.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around San Antonio and Partly Sunny near St. Petersburg.
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 San Antonio and St. Petersburg. Straight-line distance: 46.2 mi (74.35 km).
#1 San Antonio
City in Pasco County, Florida, USA
| Population | 1,506 |
| Coordinates | 28.3361100, -82.2745300 |
| Altitude | 51 |
| Country | United States |
#2 St. Petersburg
The second most populous city in Florida.
| Population | 253,693 |
| Coordinates | 27.7708600, -82.6792700 |
| Altitude | 13 |
| Country | United States |
End: US 19 (-82.679372, 27.77086)
Estimated Travel Time
Distance: 89 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 50m |
| 40 mph (64.37 km/h) | 01h 22m |
| 50 mph (80.47 km/h) | 01h 06m |
| 60 mph (96.56 km/h) | 00h 55m |
| 70 mph (112.65 km/h) | 00h 47m |
| 80 mph (129 km/h) | 00h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $8.05 | $16.09 |
| Mid-grade | $4.60 | $8.92 | $17.83 |
| Premium | $4.90 | $9.50 | $19.00 |
| Diesel | $4.35 | $8.44 | $16.88 |
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.