St. Petersburg to Seaside is 441.1 miles and takes about 8h 12m via I-75, I-275, and I-10, with a fuel budget near $68 and enough daylight to finish in a day, though it's recommended for two days. This trip stays within Florida, taking you from the Gulf Coast northwards towards the Florida Panhandle. Given its predominantly highway profile, it's a straightforward drive, best suited for those who prefer covering distance efficiently. Plan for this to be an overnight or two-day trip to comfortably enjoy the drive and arrive at your destination refreshed.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
220.6 miles from St. Petersburg, FL
A natural place for your longest stop of the day
, about 4h 5m into the drive
.
Main Roads
Road
Distance
Duration
I 10
211.3 mi
3h 46m
I 75
160.3 mi
2h 51m
I 275
37.7 mi
46m
US Highway 331 South
23.9 mi
30m
East County Highway 30A
1.9 mi
4m
County Highway 283
1.7 mi
4m
US Highway 98 West
1.5 mi
2m
5th Avenue North
1.2 mi
2m
Longest stretch:
I 10
— 211.3 mi, about 3h 46m
Traffic on I-10
Hour-of-day weekday pattern from 92 FHWA count stations on your route.
Peak
3 PM
~1,269 veh/hr typical
· worst 1,844
Quietest
2 AM
~156 veh/hr
Peak-to-quiet ratio
8.1×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 102 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Petersburg, FL and Seaside, FL.
1
Start on US 19
0.4 mi·1 min·34th Street South
2
Turn right onto FL 595
1.2 mi·2 min·5th Avenue North
3
Take the ramp
0.3 mi·49 sec
Toward I 275 North
4
Merge onto I 275
38 mi·46 min·I 275
Use the straight / slight right lanes.
5
Merge onto I 75
160 mi·2 hr 51 min·I 75
Use the straight / slight right lanes.
6
Take the exit
0.2 mi·15 sec
Exit 435Toward I 10: Jacksonville, TallahasseeUse the straight / slight right lanes.
7
Keep slight left at fork
0.3 mi·30 sec
Toward I 10 West: TallahasseeUse the slight left / slight right lanes.
8
Merge onto I 10
211 mi·3 hr 46 min·I 10
Use the straight / slight right lanes.
9
Take the exit
0.4 mi·45 sec
Toward US 331: DeFuniak Springs, Freeport
10
Turn straight onto US 331
24 mi·30 min·US Highway 331 South
Use the straight lane.
11
Turn left onto US 98
1.5 mi·2 min·US Highway 98 West
12
Turn right onto CR 283
1.7 mi·4 min·County Highway 283
13
Turn left onto CR 30A
1.9 mi·4 min·East County Highway 30A
14
Arrive at destination
CR 30A
Trip Plan
With an 8-hour driving time, this route is best split over two days. Aim to leave St. Petersburg in the morning to make good progress on your first day, perhaps reaching a point around the center of the state for your overnight stop. Keep an eye on your fuel levels, especially during the 211.3-mile stretch on I-10, as services can be more spread out. The recommended two-day pace allows for a more relaxed drive and more opportunities to stop for breaks without feeling rushed. Factor in your two planned stops for fuel and rest to break up the driving.
Morning Departure
Start early — leave by 6-7 AM to arrive at a reasonable hour.
Evening Departure
This is a long drive — plan for a morning departure or consider splitting it into two days.
This drive is better paced as a 2-day trip.
Plan roughly 2 meaningful breaks for fuel, food, and rest.
The halfway point lands around 220.6 miles from St. Petersburg, FL, or about 4h 5m into the drive.
The longest continuous stretch on this route runs about 211.3 miles.
Consider an overnight stop or starting very early.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 97 miles or 1h 52m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 220.6 miles or 4h 5m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Overnight split
Day 1 wrap after about 220.6 miles or 4h 5m
Stop before fatigue turns the last few hours into a grind. You want day two to start fresh, not just resumed.
Final approach
Final hour starts around 6h 57m
Traffic, exits, and arrival timing usually matter more near Seaside, FL than in the middle of the route.
Before You Leave
+
Open the route before leaving St. Petersburg, FL so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
+
Pick one backup stop option before the midpoint in case traffic changes your pacing.
+
Treat this as a 2-day road trip and book the overnight stop before the busiest arrival window.
Day 1
Settle into the route from St. Petersburg, FL
Aim for roughly 221 miles and 4.1 hours of wheel time on this day.
Day 2
Finish the approach into Seaside, FL
Aim for roughly 221 miles and 4.1 hours of wheel time on this day.
Your first comfortable stop window is around 97 miles from St. Petersburg, FL.
This route usually feels better as a 2-day drive than as one long push.
Plan about 2 real breaks rather than only quick fuel stops.
The longest stretch is on I 10 for about 211.3 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 11
5 decision points cluster between mile 1.9 and 200.4 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
1.9 mi into trip|~4m in|I 275
Merge onto I 275
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
5
39.6 mi into trip|~51m in|I 75
Merge onto I 75
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
8
199.9 mi into trip|~3h 42m in
Take the exit toward I 10: Jacksonville, Tallahassee
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 435
Toward I 10: Jacksonville, Tallahassee
8
200.1 mi into trip|~3h 43m in
Keep slight left at fork toward I 10 West: Tallahassee
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left / slight right lanes.
Toward I 10 West: Tallahassee
5
200.4 mi into trip|~3h 43m in|I 10
Merge onto I 10
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
Fuel & Cost
Regular Gas
$70.92 one way
$141.85 round trip
$4.08/gal25.4 MPG avg154 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.46
$77.37
$154.73
premium
$4.78
$83.04
$166.09
diesel
$6.28
$108.99
$217.98
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$71
Hotel (1n)
$80–$140
Meals
$50–$100
Total
$201–$311
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 154.3 kg one way.
Prices: EIA weekly data, 2026-10-19.
Driving Electric?
About $46 in charging
· 1 stop
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
132.3
1
$46.32
$21.17
Efficient EV
110.3
1
$38.60
$17.64
EV Truck/SUV
176.4
2
$61.75
$28.23
Gas CO2
154 kg
EV CO2
52 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Oct 22, 2026
Origin
St. Petersburg, FL
Evening
in St. Petersburg on Thursday
Local time
7:59 PM
EDT
Current temp
67°F
Mostly Clear
NE 9 mph1% chanceLive forecast
Flood Warning
Flood Warning issued October 21 at 9:21PM EDT by NWS Melbourne FL
Rip Current Statement
Rip Current Statement issued October 21 at 8:35PM EDT until October 24 at 4:00AM EDT by NWS Melbourne FL
Destination
Seaside, FL
Evening
in Seaside on Thursday
Local time
6:59 PM
CDT
Current temp
57°F
Clear
NE 5 mph0% chanceLive forecast
Flood Warning
Flood Warning issued October 21 at 9:21PM EDT by NWS Melbourne FL
Rip Current Statement
Rip Current Statement issued October 21 at 8:35PM EDT until October 24 at 4:00AM EDT by NWS Melbourne FL
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
For long drives, weather on day two can matter just as much as conditions at departure, so check the whole travel window rather than only the first day.
Time zone
1 hour earlier
The destination clock does not match departure time, so double-check hotel check-in windows and late arrival plans.
Temperature spread
10 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
8h 12m on the road
This is long enough that the arrival forecast matters almost as much as departure conditions. Recheck both ends before you roll.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
De Soto National Memorial
National Memorial
In May 1539, Conquistador Hernando de Soto’s army of soldiers, hired mercenaries, craftsmen, and clergy made landfall in Tampa Bay. They were met with fierce resistance of indigenous people protecting...
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This drive is 99% highway, meaning you'll spend almost all your time on interstates. The longest uninterrupted stretch is 211.3 miles on I-10. Expect frequent exits and merges as you navigate the interstate system for the majority of your travel. You'll notice the transition from the more developed areas around St. Petersburg to the open stretches as you head north and west.
99% highway — fuel and pacing are the main things to plan.
14 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 211.3 mi on I 10.
How Hard Is This Drive?
6/10
This is a straightforward highway drive that stays mostly on I 10 and I 75. You will hit about 11 points where you need to pay attention to lane position or signs. The trickiest moment comes around 1.9 miles in near I 275.
Driving Effort6/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 441.1 miles you will encounter 11 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 1.9 miles (I 275): Merge point - match speed before joining. Lane positioning matters here; at 39.6 miles (I 75): Merge point - match speed before joining. Lane positioning matters here; at 199.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Elevation Profile
Mostly flat terrain
171 ft17 ft
Total Climb
318 ft
Total Descent
344 ft
Highest Point
171 ft
~315.1 mi in
Elevation Range
154 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between St. Petersburg, FL and Seaside, FL, road signs point toward Tallahassee and Freeport.
Saint Petersburg sits at the base of the Tampa Bay peninsula in Pinellas County, Florida, and enjoys a more subdued social atmosphere than its larger cousin, Tampa. The city has tried to characterize the downtown as an arts and entertainments destination and you will find no shortage of arts and crafts stores, galleries, and museums along with cafes and boutique food shops all within a couple blocks of the Tampa Bay waterfront. With water on three sides of the city, St. Pete is a superb location for fishing, sailing, and wandering beaches.
Top landmarks
•Salvador Dalí Museum — art museum in St. Petersburg, Florida, United States
•Vinoy Park Hotel — historic hotel in St. Petersburg, Florida, USA
•Museum of Fine Arts, St. Petersburg, Florida, USA — museum in St. Petersburg, Florida
Moderate complexity with 2 natural rest stops along the way.
Solo Traveler
8h 12m drive, plan rest stops for pacing.
Frequently Asked Questions
The longest stretch is about 211.3 miles on I 10. The full list of main roads is in the Roads section above.
Yes — a 2-day pace is more comfortable than one long haul. A sensible stopping point is after roughly 221 miles on day one.
Yes — we found about 1 rest area or service plaza within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Seaside, FL before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 2 meaningful breaks. There are 1 rest area along the route for bathroom stops.
The main spots that need attention: at 1.9 miles (I 275): Merge point - match speed before joining. Lane positioning matters here; at 39.6 miles (I 75): Merge point - match speed before joining. Lane positioning matters here; at 199.9 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — De Soto National Memorial. See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 8.2 hours each way, a round trip means 16.4 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Seaside, FL before the return drive.
