How far is Mary Esther, FL from St. Petersburg, FL?

The driving distance from Mary Esther, FL to St. Petersburg, FL is about 431.7 miles (694.8 km), with a travel time of about 07h 05m by car.

  • The straight-line flight distance is about 301.9 miles (485.9 km).
  • For a round trip, plan for roughly 14h 10m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM CDT.
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
431.72 mi
07h 05m
Flight
301.9 mi
485.86 km direct

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

Learn Distance

Choose another destination from Mary Esther.

Flight Distance

Direct air line
301.9 mi
Kilometers
485.86 km
Flight Time
00h 36m

Driving Distance

Road route
431.72 mi
Kilometers
694.78 km
Drive Time
07h 05m

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 07h 05m.

Arrival Snapshot
Arrive in St. Petersburg
Sun, Apr 19, 3:49 AM EDT
Return by in Mary Esther
Sun, Apr 19, 9:54 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Mary Esther
2026-04-18T19:44
Arrive St. Petersburg
Sun, Apr 19, 2:49 AM CDT
Route Timing
07h 05m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
2:05 PM to 3:35 PM EDT

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

Leave by
9:50 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Mary Esther
8:00 PM CDT
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
Perry
FL

City in Taylor County, Florida, United States

From Mary Esther
214.7 mi
03h 32m
To St. Petersburg
217 mi
03h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM CDT
Wind
5 to 10 mph S
Destination
88°F
Saturday

Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
5 to 9 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Mary Esther and St. Petersburg.

  1. 1

    Start on Doolittle Boulevard

    1244 ft · 25 sec · Doolittle Boulevard

  2. 2

    Enter the roundabout and take exit 1 toward Hollywood Boulevard Northwest

    12 m · 1 sec · Hollywood Boulevard Northwest

  3. 3

    Exit the roundabout onto Hollywood Boulevard Northwest

    3103 ft · 1 min · Hollywood Boulevard Northwest

  4. 4

    Turn left onto Mary Esther Boulevard

    2591 ft · 1 min · Mary Esther Boulevard

  5. 5

    Continue on Mary Esther Cut Off

    1.1 mi · 2 min · Mary Esther Cut Off

  6. 6

    Turn left onto Beal Parkway Northwest

    2 mi · 3 min · Beal Parkway Northwest

  7. 7

    Continue on Lewis Turner Boulevard

    5.2 mi · 7 min · Lewis Turner Boulevard

  8. 8

    Turn sharp left onto Eglin Parkway

    2.1 mi · 3 min · Eglin Parkway

  9. 9

    Continue on Eglin Parkway

    2.9 mi · 4 min · Eglin Parkway

  10. 10

    Continue on Government Avenue

    1.2 km · 1 min · Government Avenue

  11. 11

    Turn left onto West John Sims Parkway

    1.4 mi · 3 min · West John Sims Parkway

  12. 12

    Turn left onto North Partin Drive

    17.4 mi · 23 min · North Partin Drive

  13. 13

    Take the ramp slight right toward I 10 East: Tallahassee

    2289 ft · 56 sec

  14. 14

    Merge slight left

    154.8 mi · 2 hr 46 min

  15. 15

    Take the exit slight right toward US 19: Florida-Georgia Parkway, Monticello, Perry

    1531 ft · 37 sec

  16. 16

    Turn right onto Florida Georgia Parkway

    4.7 mi · 6 min · Florida Georgia Parkway

  17. 17

    At the end of the road, turn left onto Florida Georgia Parkway

    32.5 mi · 42 min · Florida Georgia Parkway

  18. 18

    Continue straight

    55.1 mi · 1 hr 9 min

  19. 19

    Keep slight right

    55.2 mi · 1 hr 11 min

  20. 20

    Turn left onto Northeast 5th Street

    1.4 km · 2 min · Northeast 5th Street

  21. 21

    Continue on Gulf to Lake Highway

    4.7 mi · 7 min · Gulf to Lake Highway

  22. 22

    Take the ramp right toward FL 589 Toll: Suncoast Parkway

    2186 ft · 50 sec

  23. 23

    Merge slight left onto Suncoast Parkway

    54.3 mi · 59 min · Suncoast Parkway

  24. 24

    Merge slight right onto Veterans Expressway

    1.6 mi · 2 min · Veterans Expressway

  25. 25

    Keep slight right to continue on Veterans Expressway

    3.9 mi · 5 min · Veterans Expressway

  26. 26

    Keep slight left to continue on FL 589 Toll Express Lane

    5.3 mi · 7 min · FL 589 Toll Express Lane

  27. 27

    Merge slight right onto Veterans Expressway

    1.5 mi · 2 min · Veterans Expressway

  28. 28

    Continue on Memorial Highway

    794 ft · 14 sec · Memorial Highway

  29. 29

    Keep slight left to continue on Memorial Highway

    1.1 mi · 2 min · Memorial Highway

  30. 30

    Take the exit slight right toward I 275 South: Saint Petersburg

    1.6 km · 2 min

  31. 31

    Merge slight left onto I 275: Saint Petersburg

    15.4 mi · 18 min

  32. 32

    Take the exit slight right toward FL 595: Treasure Island, Florida Orange Groves Winery

    1409 ft · 34 sec

  33. 33

    Turn right onto 5th Avenue North

    1.2 mi · 2 min · 5th Avenue North

  34. 34

    Turn left onto 34th Street North

    2693 ft · 1 min · 34th Street North

  35. 35

    Continue on 34th Street South

    99 m · 14 sec · 34th Street South

  36. 36

    Arrive at your destination

    0 m · 1 sec · 34th Street South

Car Route Details

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

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
36 steps
13 turns on the saved route
Ramps & Exits
12
5 merges, 7 ramps or exits
Navigation Density
8.3 / 100 mi
Decision points by distance
Main Roads
I 10 East
155 mi · 36%
Florida Georgia Parkway
147 mi · 34%
Suncoast Parkway
54.3 mi · 13%
North Partin Drive
17.4 mi · 4%
I 275
15.4 mi · 4%
Veterans Expressway
6.93 mi · 2%
Longest Stretch

I 10 East

Merge slight left

155 mi · 02h 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
07h 05m
Overnight route
Same-Day Return
14h 10m
Round-trip wheel time
Road vs Air
+129.8 mi
301.9 mi direct line
Halfway Stop
Perry
03h 32m from Mary Esther
Leave By
9:50 PM CDT
Overnight-style route
Weather Watch

Mostly Sunny leaving Mary Esther and Sunny near St. Petersburg.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 431.7 miles (694.8 km) and usually takes 07h 05m 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?

Perry is a useful midpoint, sitting about 214.7 miles from Mary Esther and 217 miles from St. Petersburg.

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

The direct path is about 301.9 miles (485.9 km), while the road route adds roughly 129.8 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 7:30 AM CDT. 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 $63.17 one way or $126.35 round trip. Estimated CO2 is about 135.3 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

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

Flight Path Map

This map shows the direct air route between Mary Esther and St. Petersburg. Straight-line distance: 301.9 mi (485.86 km).

Mary Esther

#1 Mary Esther

City in Okaloosa County, Florida, United States

Population4,462
Coordinates30.4101500, -86.6650900
Altitude7
CountryUnited States
St. Petersburg

#2 St. Petersburg

The second most populous city in Florida.

Population253,693
Coordinates27.7708600, -82.6792700
Altitude13
CountryUnited States
Start: Doolittle Boulevard (-86.664786, 30.410146)
End: US 19 (-82.679372, 27.77086)

Estimated Travel Time

Distance: 695 km by road

SpeedTime
30 mph (48.3 km/h)14h 23m
40 mph (64.37 km/h)10h 47m
50 mph (80.47 km/h)08h 38m
60 mph (96.56 km/h)07h 11m
70 mph (112.65 km/h)06h 10m
80 mph (129 km/h)05h 23m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.23 gal
57.67 L · about $63.17
Round trip
$126.35
30.46 gal · 115.34 L
Estimated CO2
135.3 kg one way
Round trip: 270.7 kg / 597 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.15 $63.17 $126.35
Mid-grade $4.60 $70.00 $139.99
Premium $4.90 $74.57 $149.13
Diesel $4.35 $66.25 $132.50

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 · Apr 19, 2026

Please keep in mind that there is a 1 hour time gap between Mary Esther, FL and St. Petersburg, FL. The current time in Mary Esther is 19:44:10, although it is 20:44:10 in St. Petersburg.

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.