How far is Lower Grand Lagoon, FL from St. Petersburg, FL?
The driving distance from Lower Grand Lagoon, FL to St. Petersburg, FL is about 358 miles (576.1 km), with a travel time of about 06h 25m by car.
- The straight-line flight distance is about 247.7 miles (398.6 km).
- For a round trip, plan for roughly 12h 51m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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 06h 25m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
Town in Florida, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Lower Grand Lagoon and St. Petersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Lower Grand Lagoon and St. Petersburg.
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1
Start on Benbow Street
153 m · 24 sec · Benbow Street
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2
Turn right onto Trelawney Avenue
155 m · 26 sec · Trelawney Avenue
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3
Turn left onto Navy Boulevard
3 mi · 5 min · Navy Boulevard
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4
Turn slight right
1.1 km · 1 min
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5
Keep slight left
57 m · 5 sec
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6
Merge slight left
1.2 mi · 2 min
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7
Take the exit slight right
1875 ft · 47 sec
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8
Turn straight onto West 23rd Street
5.3 mi · 9 min · West 23rd Street
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9
At the end of the road, turn left
113 m · 7 sec
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10
Continue straight
1.3 mi · 2 min
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11
Continue straight
21.2 mi · 27 min
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12
Turn right
49.9 mi · 1 hr 8 min
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13
Continue straight
30.8 mi · 42 min
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14
At the end of the road, turn left onto Coastal Highway
38.6 mi · 49 min · Coastal Highway
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15
Turn right onto Byron Butler Parkway
58.3 mi · 1 hr 14 min · Byron Butler Parkway
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16
Keep slight right
55.2 mi · 1 hr 11 min
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17
Turn left onto Northeast 5th Street
1.4 km · 2 min · Northeast 5th Street
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18
Continue on Gulf to Lake Highway
4.7 mi · 7 min · Gulf to Lake Highway
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19
Take the ramp right toward FL 589 Toll: Suncoast Parkway
2186 ft · 50 sec
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20
Merge slight left onto Suncoast Parkway
54.3 mi · 59 min · Suncoast Parkway
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21
Merge slight right onto Veterans Expressway
1.6 mi · 2 min · Veterans Expressway
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22
Keep slight right to continue on Veterans Expressway
3.9 mi · 5 min · Veterans Expressway
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23
Keep slight left to continue on FL 589 Toll Express Lane
5.3 mi · 7 min · FL 589 Toll Express Lane
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24
Merge slight right onto Veterans Expressway
1.5 mi · 2 min · Veterans Expressway
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25
Continue on Memorial Highway
794 ft · 14 sec · Memorial Highway
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26
Keep slight left to continue on Memorial Highway
1.1 mi · 2 min · Memorial Highway
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27
Take the exit slight right toward I 275 South: Saint Petersburg
1.6 km · 2 min
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28
Merge slight left onto I 275: Saint Petersburg
15.4 mi · 18 min
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29
Take the exit slight right toward FL 595: Treasure Island, Florida Orange Groves Winery
1409 ft · 34 sec
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30
Turn right onto 5th Avenue North
1.2 mi · 2 min · 5th Avenue North
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31
Turn left onto 34th Street North
2693 ft · 1 min · 34th Street North
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32
Continue on 34th Street South
99 m · 14 sec · 34th Street South
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33
Arrive at your destination
0 m · 1 sec · 34th Street South
Car Route Details
A richer read on the saved driving route between Lower Grand Lagoon and St. Petersburg.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Byron Butler Parkway
Turn right onto Byron Butler Parkway
58.3 mi · 01h 14m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Sunny leaving Lower Grand Lagoon 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 Lower Grand Lagoon to St. Petersburg?
The road trip is about 358 miles (576.1 km) and usually takes 06h 25m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Cross City is a useful midpoint, sitting about 179.3 miles from Lower Grand Lagoon and 178.6 miles from St. Petersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 247.7 miles (398.6 km), while the road route adds roughly 110.3 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 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $52.39 one way or $104.78 round trip. Estimated CO2 is about 112.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Lower Grand Lagoon and St. Petersburg, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Lower Grand Lagoon and Partly Sunny near St. Petersburg.
Stop Ideas Near Cross City
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 Cross City.
Gainesville, Florida
Waldo, Florida
Ocala, Florida
Flight Path Map
This map shows the direct air route between Lower Grand Lagoon and St. Petersburg. Straight-line distance: 247.7 mi (398.64 km).
#1 Lower Grand Lagoon
Census-designated place in Bay County, Florida
| Population | 3,881 |
| Coordinates | 30.1440900, -85.7507600 |
| Altitude | 3 |
| 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: 576 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 55m |
| 40 mph (64.37 km/h) | 08h 56m |
| 50 mph (80.47 km/h) | 07h 09m |
| 60 mph (96.56 km/h) | 05h 57m |
| 70 mph (112.65 km/h) | 05h 06m |
| 80 mph (129 km/h) | 04h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $52.39 | $104.78 |
| Mid-grade | $4.60 | $58.05 | $116.09 |
| Premium | $4.90 | $61.84 | $123.67 |
| Diesel | $4.35 | $54.94 | $109.88 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.