How far is Longboat Key, FL from St. Petersburg, FL?
The driving distance from Longboat Key, FL to St. Petersburg, FL is about 38.6 miles (62.1 km), with a travel time of about 01h 00m by car.
- The straight-line flight distance is about 24.8 miles (39.9 km).
- For a round trip, plan for roughly 02h 01m 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.
Partly Sunny then Slight Chance Showers And Thunderstorms
Partly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Longboat Key and St. Petersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Longboat Key and St. Petersburg.
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1
Start on Gulf of Mexico Drive
3 mi · 5 min · Gulf of Mexico Drive
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2
Continue on Gulf Drive South
1.5 mi · 4 min · Gulf Drive South
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3
Enter the roundabout and take exit 2 toward Gulf Drive South
13 m · 2 sec · Gulf Drive South
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4
Exit the roundabout onto Gulf Drive South
1234 ft · 46 sec · Gulf Drive South
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5
Turn right onto Cortez Road West
8.6 mi · 16 min · Cortez Road West
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6
Continue on 1st Street
2.5 mi · 5 min · 1st Street
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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 Longboat 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.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving Longboat Key and Partly Sunny then Slight Chance Showers And Thunderstorms near St. Petersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Longboat Key to St. Petersburg?
The road trip is about 38.6 miles (62.1 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 19.4 miles from Longboat Key and 19.2 miles from St. Petersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 24.8 miles (39.9 km), while the road route adds roughly 13.8 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 4:28 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.64 one way or $11.28 round trip. Estimated CO2 is about 12.1 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Longboat Key and Partly Sunny then Slight Chance Showers And Thunderstorms 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 Longboat Key and St. Petersburg. Straight-line distance: 24.79 mi (39.89 km).
#1 Longboat Key
Town in Florida
| Population | 7,303 |
| Coordinates | 27.4125400, -82.6589900 |
| 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: 62 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 17m |
| 40 mph (64.37 km/h) | 00h 57m |
| 50 mph (80.47 km/h) | 00h 46m |
| 60 mph (96.56 km/h) | 00h 38m |
| 70 mph (112.65 km/h) | 00h 33m |
| 80 mph (129 km/h) | 00h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $5.64 | $11.28 |
| Mid-grade | $4.60 | $6.25 | $12.50 |
| Premium | $4.90 | $6.66 | $13.32 |
| Diesel | $4.35 | $5.92 | $11.83 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.