How far is St. Petersburg, FL from Gretna, FL?
The driving distance from St. Petersburg, FL to Gretna, FL is about 324.6 miles (522.4 km), with a travel time of about 06h 02m by car.
- The straight-line flight distance is about 230.1 miles (370.3 km).
- For a round trip, plan for roughly 12h 05m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
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 02m.
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.
City in Alachua 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
Rain Showers Likely
Driving Route Map
The map below follows the saved road route between St. Petersburg and Gretna.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Petersburg and Gretna.
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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
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3
Take the ramp left toward I 275 North
1811 ft · 50 sec
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4
Merge slight left
37.7 mi · 47 min
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5
Merge slight left
160.3 mi · 2 hr 52 min
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6
Take the exit slight right toward I 10: Jacksonville, Tallahassee
820 ft · 16 sec
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7
Keep slight left to continue on I 10 West: Tallahassee
1569 ft · 30 sec
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8
Merge slight right
115 mi · 2 hr 3 min
-
9
Take the exit slight right toward FL 267: Quincy
1571 ft · 38 sec
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10
Turn right
3.4 mi · 6 min
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11
Turn left onto West Jefferson Street
1.2 mi · 2 min · West Jefferson Street
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12
Continue on Blue Star Highway
3.1 mi · 4 min · Blue Star Highway
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13
Continue on Main Street
1 mi · 2 min · Main Street
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14
Turn right onto Broad Avenue
800 ft · 37 sec · Broad Avenue
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15
Turn right onto 2nd Street
15 m · 4 sec · 2nd Street
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16
Arrive at your destination
0 m · 1 sec · 2nd Street
Car Route Details
A richer read on the saved driving route between St. Petersburg and Gretna.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 275 North
Merge slight left
160 mi · 02h 52m
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.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving St. Petersburg and Rain Showers Likely near Gretna.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Petersburg to Gretna?
The road trip is about 324.6 miles (522.4 km) and usually takes 06h 02m 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?
Alachua is a useful midpoint, sitting about 162.4 miles from St. Petersburg and 162.2 miles from Gretna.
How much longer is the road route than the straight-line distance?
The direct path is about 230.1 miles (370.3 km), while the road route adds roughly 94.5 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 EDT. 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 $47.49 one way or $94.99 round trip. Estimated CO2 is about 101.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around St. Petersburg and Rain Showers Likely near Gretna.
Stop Ideas Near Alachua
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 Alachua.
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Flight Path Map
This map shows the direct air route between St. Petersburg and Gretna. Straight-line distance: 230.09 mi (370.29 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 Gretna
Human settlement in Gadsden County, Florida, United States of America
| Population | 1,430 |
| Coordinates | 30.6171400, -84.6599100 |
| Altitude | 90 |
| Country | United States |
End: Gretna (-84.65991, 30.61714)
Estimated Travel Time
Distance: 522 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 48m |
| 40 mph (64.37 km/h) | 08h 06m |
| 50 mph (80.47 km/h) | 06h 29m |
| 60 mph (96.56 km/h) | 05h 24m |
| 70 mph (112.65 km/h) | 04h 38m |
| 80 mph (129 km/h) | 04h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $47.49 | $94.99 |
| Mid-grade | $4.60 | $52.62 | $105.25 |
| Premium | $4.90 | $56.06 | $112.12 |
| Diesel | $4.35 | $49.81 | $99.61 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.