How far is St. Petersburg, FL from Seaside, FL?

The driving distance from St. Petersburg, FL to Seaside, FL is about 441.1 miles (709.9 km), with a travel time of about 08h 12m by car.

  • The straight-line flight distance is about 273.5 miles (440.1 km).
  • For a round trip, plan for roughly 16h 25m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM EST.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
441.13 mi
08h 12m
Flight
273.43 mi
440.05 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from St. Petersburg.

Flight Distance

Direct air line
273.43 mi
Kilometers
440.05 km
Flight Time
00h 33m

Driving Distance

Road route
441.13 mi
Kilometers
709.93 km
Drive Time
08h 12m

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 08h 12m.

Arrival Snapshot
Arrive in Seaside
Sat, Nov 7, 10:32 AM CST
Return by in St. Petersburg
Sat, Nov 7, 7:45 PM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave St. Petersburg
2026-11-07T03:20
Arrive Seaside
Sat, Nov 7, 11:32 AM EST
Route Timing
08h 12m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EST
Treat this as a longer travel day
Arrive between
1:13 PM to 2:43 PM CST

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
7:34 PM EST
Keeps a same-day return open with about 08h 00m at the destination.
Back in St. Petersburg
8:00 PM EST
Overnight-style route

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.

Mid-route stop
Live Oak
FL

County seat of Suwannee County, Florida, United States

From St. Petersburg
220.6 mi
04h 06m
To Seaside
220.6 mi
04h 06m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Saturday

Sunny

Starts
Sat, Nov 7 6:00 AM EST
Wind
3 to 9 mph N
Destination
Seaside Weather
FL
Live fallback forecast
73°F
Saturday
Using Freeport as the closest live forecast in the Walton County weather hub.

Mostly Sunny

Starts
Sat, Nov 7 6:00 AM CST
Wind
5 to 10 mph N

Driving Route Map

The map below follows the saved road route between St. Petersburg and Seaside.

Turn-by-Turn Driving Directions

Step-by-step road directions between St. Petersburg and Seaside.

  1. 1

    Start on 34th Street South

    2326 ft · 1 min · 34th Street South

  2. 2

    Turn right onto 5th Avenue North

    1.2 mi · 2 min · 5th Avenue North

  3. 3

    Take the ramp left toward I 275 North

    1811 ft · 50 sec

  4. 4

    Merge slight left

    37.7 mi · 47 min

  5. 5

    Merge slight left

    160.3 mi · 2 hr 52 min

  6. 6

    Take the exit slight right toward I 10: Jacksonville, Tallahassee

    820 ft · 16 sec

  7. 7

    Keep slight left to continue on I 10 West: Tallahassee

    1569 ft · 30 sec

  8. 8

    Merge slight right

    211.3 mi · 3 hr 46 min

  9. 9

    Take the exit slight right toward US 331: DeFuniak Springs, Freeport

    1849 ft · 45 sec

  10. 10

    Turn straight onto US Highway 331 South

    23.9 mi · 31 min · US Highway 331 South

  11. 11

    Turn left onto US Highway 98 West

    1.5 mi · 2 min · US Highway 98 West

  12. 12

    Turn right onto County Highway 283

    1.7 mi · 4 min · County Highway 283

  13. 13

    Turn left onto East County Highway 30A

    1.9 mi · 4 min · East County Highway 30A

  14. 14

    Arrive at your destination

    0 m · 1 sec · East County Highway 30A

Car Route Details

A richer read on the saved driving route between St. Petersburg and Seaside.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
14 steps
5 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
3.2 / 100 mi
Decision points by distance
Main Roads
I 10 West
212 mi · 48%
I 275 North
198 mi · 45%
US Highway 331 South
23.9 mi · 5%
East County Highway 30A
1.95 mi
County Highway 283
1.69 mi
US Highway 98 West
1.54 mi
Longest Stretch

I 10 West

Merge slight right

211 mi · 03h 46m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
08h 12m
Overnight route
Same-Day Return
16h 26m
Round-trip wheel time
Road vs Air
+167.6 mi
273.5 mi direct line
Halfway Stop
Live Oak
04h 06m from St. Petersburg
Leave By
7:34 PM EST
Overnight-style route
Weather Watch

Sunny leaving St. Petersburg and Mostly Sunny near Seaside.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from St. Petersburg to Seaside?

The road trip is about 441.1 miles (709.9 km) and usually takes 08h 12m 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?

Live Oak is a useful midpoint, sitting about 220.6 miles from St. Petersburg and 220.6 miles from Seaside.

How much longer is the road route than the straight-line distance?

The direct path is about 273.5 miles (440.1 km), while the road route adds roughly 167.6 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 EST. 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 $59.70 one way or $119.39 round trip. Estimated CO2 is about 138.4 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between St. Petersburg and Seaside, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Sunny around St. Petersburg and Mostly Sunny near Seaside.

Stop Ideas Near Live Oak

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Live Oak, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Live Oak.

BUS

Gainesville, Florida

96 mi away
201 East University Ave.
BUS

Waldo, Florida

97 mi away
14648 NE 147th Avenue

Flight Path Map

This map shows the direct air route between St. Petersburg and Seaside. Straight-line distance: 273.43 mi (440.05 km).

St. Petersburg

#1 St. Petersburg

The second most populous city in Florida.

Population253,693
Coordinates27.7708600, -82.6792700
Altitude13
CountryUnited States
Photo coming soon

#2 Seaside

Seaside is a place in Florida, United States.

Population0
Coordinates30.3210300, -86.1416100
Altitude4
CountryUnited States
Start: St. Petersburg (-82.67927, 27.77086)
End: Seaside (-86.14161, 30.32103)

Estimated Travel Time

Distance: 710 km by road

SpeedTime
30 mph (48.3 km/h)14h 41m
40 mph (64.37 km/h)11h 01m
50 mph (80.47 km/h)08h 49m
60 mph (96.56 km/h)07h 21m
70 mph (112.65 km/h)06h 18m
80 mph (129 km/h)05h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.57 gal
58.92 L · about $59.70
Round trip
$119.39
31.14 gal · 117.84 L
Estimated CO2
138.4 kg one way
Round trip: 276.7 kg / 610 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.83 $59.70 $119.39
Mid-grade $4.32 $67.26 $134.52
Premium $4.66 $72.60 $145.21
Diesel $5.94 $92.50 $185.00

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 · Nov 06, 2026

Please keep in mind that there is a 1 hour time gap between St. Petersburg, FL and Seaside, FL. The current time in St. Petersburg is 03:20:03, although it is 02:20:03 in Seaside.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.