How far is St. Petersburg, FL from Port Saint John, FL?

The driving distance from St. Petersburg, FL to Port Saint John, FL is about 144.4 miles (232.4 km), with a travel time of about 02h 50m by car.

  • The straight-line flight distance is about 125.1 miles (201.3 km).
  • For a round trip, plan for roughly 05h 40m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
144.38 mi
02h 50m
Flight
125.11 mi
201.34 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from St. Petersburg.

Flight Distance

Direct air line
125.11 mi
Kilometers
201.34 km
Flight Time
00h 15m

Driving Distance

Road route
144.38 mi
Kilometers
232.36 km
Drive Time
02h 50m

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 02h 50m.

Arrival Snapshot
Arrive in Port Saint John
Mon, May 18, 3:21 PM EDT
Return by in St. Petersburg
Mon, May 18, 6:11 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave St. Petersburg
2026-05-18T12:30
Arrive Port Saint John
Mon, May 18, 3:21 PM EDT
Route Timing
02h 50m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:50 AM to 12:50 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:50 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in St. Petersburg
9:30 PM EDT
Morning start is best

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
Polk City
FL

City in Polk County, Florida, United States

From St. Petersburg
72.1 mi
01h 25m
To Port Saint John
72.2 mi
01h 25m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
95°F
Monday

Sunny then Chance Showers And Thunderstorms

Starts
Mon, May 18 6:00 AM EDT
Wind
9 mph ENE
Destination
87°F
Monday

Mostly Sunny then Chance Showers And Thunderstorms

Starts
Mon, May 18 6:00 AM EDT
Wind
5 to 15 mph E

Driving Route Map

The map below follows the saved road route between St. Petersburg and Port Saint John.

Turn-by-Turn Driving Directions

Step-by-step road directions between St. Petersburg and Port Saint John.

  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

    21.4 mi · 27 min

  5. 5

    Take the exit slight right toward I 4 East: Orlando

    2472 ft · 42 sec

  6. 6

    Continue straight

    60.9 mi · 1 hr 7 min

  7. 7

    Keep slight right to continue on FL 417 North: Airport, Disney World, Celebration

    1380 ft · 17 sec

  8. 8

    Continue on Southern Connector Extension

    7.5 mi · 9 min · Southern Connector Extension

  9. 9

    Continue on Central Florida GreeneWay

    18.5 mi · 20 min · Central Florida GreeneWay

  10. 10

    Take the exit slight right toward FL 528: International Airport, Cocoa

    1384 ft · 34 sec

  11. 11

    Keep slight right to continue on FL 528 East: Cocoa, Kennedy Space Center

    1.3 km · 2 min

  12. 12

    Merge slight left onto Beachline Expressway

    25.7 mi · 28 min · Beachline Expressway

  13. 13

    Take the exit slight right toward I 95 North: Daytona Beach

    2060 ft · 50 sec

  14. 14

    Keep slight left to continue on I 95 North: Daytona Beach

    2996 ft · 57 sec

  15. 15

    Merge slight left

    1.8 mi · 2 min

  16. 16

    Take the exit slight right toward Port Saint John

    2327 ft · 36 sec

  17. 17

    Keep slight right to continue on Port Saint John Parkway East

    1251 ft · 31 sec

  18. 18

    Turn straight onto Port Saint John Parkway

    3138 ft · 1 min · Port Saint John Parkway

  19. 19

    At the end of the road, turn left onto Grissom Parkway

    1 mi · 2 min · Grissom Parkway

  20. 20

    Turn right onto Fay Boulevard

    1.1 mi · 3 min · Fay Boulevard

  21. 21

    Turn left onto Miraflores Avenue

    1648 ft · 1 min · Miraflores Avenue

  22. 22

    At the end of the road, turn left onto Delespine Road

    84 m · 15 sec · Delespine Road

  23. 23

    Turn right onto Bermuda Avenue

    84 m · 12 sec · Bermuda Avenue

  24. 24

    Arrive at your destination

    0 m · 1 sec · Bermuda Avenue

Car Route Details

A richer read on the saved driving route between St. Petersburg and Port Saint John.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
24 steps
7 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
16.6 / 100 mi
Decision points by distance
Main Roads
I 4 East
61.3 mi · 42%
Beachline Expressway
25.7 mi · 18%
I 275 North
21.8 mi · 15%
Central Florida GreeneWay
18.5 mi · 13%
Southern Connector Extension
7.49 mi · 5%
I 95 North
3.22 mi · 2%
Longest Stretch

I 4 East

Continue straight

60.9 mi · 01h 07m

Route Summary

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

Trip Read

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.

Drive Time
02h 50m
Day trip friendly
Same-Day Return
05h 40m
Round-trip wheel time
Road vs Air
+19.3 mi
125.1 mi direct line
Halfway Stop
Polk City
01h 25m from St. Petersburg
Leave By
12:50 PM EDT
Morning start is best
Weather Watch

Sunny then Chance Showers And Thunderstorms leaving St. Petersburg and Mostly Sunny then Chance Showers And Thunderstorms near Port Saint John.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from St. Petersburg to Port Saint John?

The road trip is about 144.4 miles (232.4 km) and usually takes 02h 50m 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?

Polk City is a useful midpoint, sitting about 72.1 miles from St. Petersburg and 72.2 miles from Port Saint John.

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

The direct path is about 125.1 miles (201.3 km), while the road route adds roughly 19.3 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 12:50 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $21.15 one way or $42.31 round trip. Estimated CO2 is about 45.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny then Chance Showers And Thunderstorms around St. Petersburg and Mostly Sunny then Chance Showers And Thunderstorms near Port Saint John.

Stop Ideas Near Polk City

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

Mid-route Guidance
Local place coverage is thin around Polk City, 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 Polk City.

RAIL

Lakeland

20 mi away
600 East Main Street
RAIL

Lakeland

20 mi away
600 East Main Street
RAIL

Winter Haven

22 mi away
1800 7th St SW
OTHER

Dade City, Florida

41 mi away
14218 US Highway 98

Flight Path Map

This map shows the direct air route between St. Petersburg and Port Saint John. Straight-line distance: 125.11 mi (201.34 km).

St. Petersburg

#1 St. Petersburg

The second most populous city in Florida.

Population253,693
Coordinates27.7708600, -82.6792700
Altitude13
CountryUnited States
Port Saint John

#2 Port Saint John

City in South Africa

Population12,267
Coordinates28.4769500, -80.7886700
Altitude8
CountryUnited States
Start: St. Petersburg (-82.67927, 27.77086)
End: Port Saint John (-80.78867, 28.47695)

Estimated Travel Time

Distance: 232 km by road

SpeedTime
30 mph (48.3 km/h)04h 48m
40 mph (64.37 km/h)03h 36m
50 mph (80.47 km/h)02h 53m
60 mph (96.56 km/h)02h 24m
70 mph (112.65 km/h)02h 03m
80 mph (129 km/h)01h 48m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.1 gal
19.29 L · about $21.15
Round trip
$42.31
10.2 gal · 38.58 L
Estimated CO2
45.3 kg one way
Round trip: 90.6 kg / 200 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.15 $21.15 $42.31
Mid-grade $4.60 $23.44 $46.88
Premium $4.90 $24.97 $49.94
Diesel $4.35 $22.18 $44.37

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 18, 2026

There is no time difference between St. Petersburg and Port Saint John. The current time is 12:30:57.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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