How far is Siesta Key, FL from St. Petersburg, FL?
The driving distance from Siesta Key, FL to St. Petersburg, FL is about 51.1 miles (82.2 km), with a travel time of about 01h 00m by car.
- The straight-line flight distance is about 35.7 miles (57.5 km).
- For a round trip, plan for roughly 02h 00m 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 00m.
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.
City in Manatee County, Florida, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Siesta Key and St. Petersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Siesta Key and St. Petersburg.
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1
Start on the route
98 m · 26 sec
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2
At the end of the road, turn right onto Midnight Pass Road
1.7 mi · 3 min · Midnight Pass Road
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3
Continue on Higel Avenue
1.4 km · 2 min · Higel Avenue
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4
Continue on Siesta Drive
1.6 mi · 4 min · Siesta Drive
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5
Turn left onto South Tamiami Trail
1.8 mi · 3 min · South Tamiami Trail
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6
Keep slight right to continue on Washington Boulevard
13.1 mi · 21 min · Washington Boulevard
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7
Continue on Hernando DeSoto Bridge
2226 ft · 38 sec · Hernando DeSoto Bridge
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8
Continue on Tamiami Trail
3 mi · 5 min · Tamiami Trail
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9
Turn straight
2.4 mi · 3 min
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10
Take the exit straight
1.2 mi · 2 min
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11
Keep slight left
1610 ft · 20 sec
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12
Merge slight right onto Sunshine Skyway Bridge
14.3 mi · 17 min · Sunshine Skyway Bridge
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13
Take the exit slight left toward 31st Street South
1604 ft · 39 sec
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14
Keep slight left to continue on Winery, Treasure Island, Tropicana Field
49 m · 10 sec
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15
Turn left onto 31st Street South
2167 ft · 58 sec · 31st Street South
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16
Turn left onto 5th Avenue South
1303 ft · 40 sec · 5th Avenue South
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17
Turn right onto 34th Street South
1589 ft · 41 sec · 34th Street South
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18
Arrive at your destination
0 m · 1 sec · 34th Street South
Car Route Details
A richer read on the saved driving route between Siesta Key and St. Petersburg.
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.
Sunshine Skyway Bridge
Merge slight right onto Sunshine Skyway Bridge
14.3 mi · 00h 17m
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.
Sunny leaving Siesta Key and Sunny near St. Petersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Siesta Key to St. Petersburg?
The road trip is about 51.1 miles (82.2 km) and usually takes 01h 00m 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?
Palmetto is a useful midpoint, sitting about 21.1 miles from Siesta Key and 30 miles from St. Petersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 35.7 miles (57.5 km), while the road route adds roughly 15.4 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 4:30 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.47 one way or $14.93 round trip. Estimated CO2 is about 16 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Siesta Key and Sunny near St. Petersburg.
Stop Ideas Near Palmetto
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 Palmetto.
Bradenton, Florida
Sarasota, Florida
St Petersburg-Pinellas Park-Clearwater, Florida
Union Station
Flight Path Map
This map shows the direct air route between Siesta Key and St. Petersburg. Straight-line distance: 35.71 mi (57.47 km).
#1 Siesta Key
Census-designated place in Sarasota County, Florida
| Population | 6,565 |
| Coordinates | 27.2678500, -82.5452600 |
| Altitude | 1 |
| 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: 82 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 42m |
| 40 mph (64.37 km/h) | 01h 16m |
| 50 mph (80.47 km/h) | 01h 01m |
| 60 mph (96.56 km/h) | 00h 51m |
| 70 mph (112.65 km/h) | 00h 43m |
| 80 mph (129 km/h) | 00h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $7.47 | $14.93 |
| Mid-grade | $4.60 | $8.27 | $16.55 |
| Premium | $4.90 | $8.81 | $17.63 |
| Diesel | $4.35 | $7.83 | $15.66 |
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 · May 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.