How far is St. Petersburg, FL from Hobe Sound, FL?

The driving distance from St. Petersburg, FL to Hobe Sound, FL is about 187.3 miles (301.4 km), with a travel time of about 04h 11m by car.

  • The straight-line flight distance is about 163.5 miles (263.2 km).
  • For a round trip, plan for roughly 08h 22m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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
187.28 mi
04h 11m
Flight
163.52 mi
263.16 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
163.52 mi
Kilometers
263.16 km
Flight Time
00h 19m

Driving Distance

Road route
187.28 mi
Kilometers
301.39 km
Drive Time
04h 11m

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 04h 11m.

Arrival Snapshot
Arrive in Hobe Sound
Sun, May 3, 9:03 AM EDT
Return by in St. Petersburg
Sun, May 3, 1:14 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave St. Petersburg
2026-05-03T04:51
Arrive Hobe Sound
Sun, May 3, 9:03 AM EDT
Route Timing
04h 11m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:11 AM to 12:11 PM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:38 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in St. Petersburg
9:00 PM EDT
Early departure recommended

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
Placid Lakes
FL

City in United States of America

From St. Petersburg
93.6 mi
02h 05m
To Hobe Sound
93.7 mi
02h 05m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Sunday

Mostly Sunny

Starts
Sun, May 3 6:00 AM EDT
Wind
12 mph NNE
Destination
83°F
Sunday

Showers And Thunderstorms

Starts
Sun, May 3 6:00 AM EDT
Wind
5 to 10 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between St. Petersburg and Hobe Sound.

  1. 1

    Start on 34th Street South

    15 m · 5 sec · 34th Street South

  2. 2

    Turn right onto Central Avenue

    1304 ft · 51 sec · Central Avenue

  3. 3

    Turn right onto 31st Street South

    1.1 km · 1 min · 31st Street South

  4. 4

    Take the ramp slight right

    2760 ft · 1 min

  5. 5

    Merge slight right

    4.9 mi · 6 min

  6. 6

    Keep slight left

    1406 ft · 17 sec

  7. 7

    Merge slight right onto Sunshine Skyway Bridge

    13.4 mi · 15 min · Sunshine Skyway Bridge

  8. 8

    Keep slight left to continue on I 75 South: Naples

    1.1 mi · 2 min

  9. 9

    Merge slight left

    10.3 mi · 11 min

  10. 10

    Take the exit slight right toward SR 70

    2098 ft · 51 sec

  11. 11

    Keep slight left

    111 m · 12 sec

  12. 12

    Turn slight left onto State Road 70

    4.2 mi · 6 min · State Road 70

  13. 13

    Continue straight

    1081 ft · 21 sec

  14. 14

    Continue straight

    29 mi · 40 min

  15. 15

    Continue straight

    6.9 mi · 9 min

  16. 16

    Turn straight

    66.8 mi · 1 hr 29 min

  17. 17

    Turn slight right

    1.6 km · 2 min

  18. 18

    Continue straight

    8.9 mi · 11 min

  19. 19

    Turn left onto Southwest Martin Highway

    17.5 mi · 26 min · Southwest Martin Highway

  20. 20

    Take the ramp slight right toward I 95 South: West Palm Beach

    3060 ft · 1 min

  21. 21

    Merge slight left

    13.4 mi · 14 min

  22. 22

    Take the exit slight right toward CR 708: Hobe Sound

    2348 ft · 59 sec

  23. 23

    Turn left onto Southeast Bridge Road

    6.5 mi · 11 min · Southeast Bridge Road

  24. 24

    Arrive at your destination

    0 m · 1 sec · Southeast Bridge Road

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
24 steps
7 turns on the saved route
Ramps & Exits
8
4 merges, 4 ramps or exits
Navigation Density
12.8 / 100 mi
Decision points by distance
Main Roads
State Road 70
49.2 mi · 26%
Southwest Martin Highway
17.5 mi · 9%
I 95 South
14 mi · 7%
Sunshine Skyway Bridge
13.4 mi · 7%
I 75 South
11.4 mi · 6%
Southeast Bridge Road
6.48 mi · 3%
Longest Stretch

Longest stretch

Turn straight

66.8 mi · 01h 29m

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
04h 11m
Long day trip
Same-Day Return
08h 22m
Round-trip wheel time
Road vs Air
+23.8 mi
163.5 mi direct line
Halfway Stop
Placid Lakes
02h 05m from St. Petersburg
Leave By
8:38 AM EDT
Early departure recommended
Weather Watch

Mostly Sunny leaving St. Petersburg and Showers And Thunderstorms near Hobe Sound.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 187.3 miles (301.4 km) and usually takes 04h 11m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Placid Lakes is a useful midpoint, sitting about 93.6 miles from St. Petersburg and 93.7 miles from Hobe Sound.

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

The direct path is about 163.5 miles (263.2 km), while the road route adds roughly 23.8 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 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 8:38 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $27.42 one way or $54.84 round trip. Estimated CO2 is about 58.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around St. Petersburg and Showers And Thunderstorms near Hobe Sound.

Stop Ideas Near Placid Lakes

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

Mid-route Guidance
Local place coverage is thin around Placid Lakes, 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 Placid Lakes.

RAIL

Sebring

29 mi away
601 East Center St
RAIL

Okeechobee

57 mi away
801 North Parrott Avenue
BUS

Port Charlotte, Florida

69 mi away
909 King Highway
BUS

Fort Myers, Florida

78 mi away
6050 Plaza Drive

Flight Path Map

This map shows the direct air route between St. Petersburg and Hobe Sound. Straight-line distance: 163.52 mi (263.16 km).

St. Petersburg

#1 St. Petersburg

The second most populous city in Florida.

Population253,693
Coordinates27.7708600, -82.6792700
Altitude13
CountryUnited States
Hobe Sound

#2 Hobe Sound

Unincorporated area and census-designated place in Martin County, Florida, United States

Population11,521
Coordinates27.0595000, -80.1364300
Altitude6
CountryUnited States
Start: St. Petersburg (-82.67927, 27.77086)
End: Hobe Sound (-80.13643, 27.0595)

Estimated Travel Time

Distance: 301 km by road

SpeedTime
30 mph (48.3 km/h)06h 14m
40 mph (64.37 km/h)04h 40m
50 mph (80.47 km/h)03h 44m
60 mph (96.56 km/h)03h 07m
70 mph (112.65 km/h)02h 40m
80 mph (129 km/h)02h 20m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.61 gal
25.02 L · about $27.42
Round trip
$54.84
13.22 gal · 50.04 L
Estimated CO2
58.7 kg one way
Round trip: 117.5 kg / 259 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.15 $27.42 $54.84
Mid-grade $4.60 $30.38 $60.76
Premium $4.90 $32.36 $64.73
Diesel $4.35 $28.75 $57.51

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 03, 2026

There is no time difference between St. Petersburg and Hobe Sound. The current time is 04:51:59.

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.