How far is St. Petersburg, FL from Miramar Beach, FL?

The driving distance from St. Petersburg, FL to Miramar Beach, FL is about 446.9 miles (719.2 km), with a travel time of about 08h 19m by car.

  • The straight-line flight distance is about 285.8 miles (460 km).
  • For a round trip, plan for roughly 16h 39m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
446.87 mi
08h 19m
Flight
285.84 mi
460.01 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
285.84 mi
Kilometers
460.01 km
Flight Time
00h 34m

Driving Distance

Road route
446.87 mi
Kilometers
719.16 km
Drive Time
08h 19m

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 19m.

Arrival Snapshot
Arrive in Miramar Beach
Wed, Apr 29, 6:41 PM CDT
Return by in St. Petersburg
Thu, Apr 30, 4:01 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave St. Petersburg
2026-04-29T11:21
Arrive Miramar Beach
Wed, Apr 29, 7:41 PM EDT
Route Timing
08h 19m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
1:20 PM to 2:50 PM CDT

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

Leave by
7:20 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in St. Petersburg
8:00 PM EDT
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
223.5 mi
04h 09m
To Miramar Beach
223.4 mi
04h 09m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
68°F
Overnight

Clear

Starts
Wed, Apr 29 1:00 AM EDT
Wind
10 mph SE
Destination
Miramar Beach Weather
FL
Live fallback forecast
68°F
Overnight
Using Freeport as the closest live forecast in the Walton County weather hub.

Patchy Fog

Starts
Wed, Apr 29 4:00 AM CDT
Wind
5 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between St. Petersburg and Miramar Beach.

  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 right onto US Highway 98 West

    10.2 mi · 16 min · US Highway 98 West

  12. 12

    Turn left onto Scenic Gulf Drive

    1.1 km · 2 min · Scenic Gulf Drive

  13. 13

    Turn left

    29 m · 9 sec

  14. 14

    Turn left

    35 m · 11 sec

  15. 15

    Turn right

    84 m · 20 sec

  16. 16

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
16 steps
7 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
3.6 / 100 mi
Decision points by distance
Main Roads
I 10 West
212 mi · 47%
I 275 North
198 mi · 44%
US Highway 331 South
23.9 mi · 5%
US Highway 98 West
10.2 mi · 2%
5th Avenue North
1.16 mi
Scenic Gulf Drive
0.68 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 19m
Overnight route
Same-Day Return
16h 40m
Round-trip wheel time
Road vs Air
+161.1 mi
285.8 mi direct line
Halfway Stop
Live Oak
04h 09m from St. Petersburg
Leave By
7:20 PM EDT
Overnight-style route
Weather Watch

Clear leaving St. Petersburg and Patchy Fog near Miramar Beach.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 446.9 miles (719.2 km) and usually takes 08h 19m 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 223.5 miles from St. Petersburg and 223.4 miles from Miramar Beach.

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

The direct path is about 285.8 miles (460 km), while the road route adds roughly 161.1 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 EDT. 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 $65.41 one way or $130.83 round trip. Estimated CO2 is about 140.1 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 Miramar Beach, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Clear around St. Petersburg and Patchy Fog near Miramar Beach.

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 Miramar Beach. Straight-line distance: 285.84 mi (460.01 km).

St. Petersburg

#1 St. Petersburg

The second most populous city in Florida.

Population253,693
Coordinates27.7708600, -82.6792700
Altitude13
CountryUnited States
Miramar Beach

#2 Miramar Beach

Census-designated place in Walton County, Florida

Population6,146
Coordinates30.3743700, -86.3585600
Altitude6
CountryUnited States
Start: St. Petersburg (-82.67927, 27.77086)
End: Miramar Beach (-86.35856, 30.37437)

Estimated Travel Time

Distance: 719 km by road

SpeedTime
30 mph (48.3 km/h)14h 53m
40 mph (64.37 km/h)11h 10m
50 mph (80.47 km/h)08h 56m
60 mph (96.56 km/h)07h 26m
70 mph (112.65 km/h)06h 23m
80 mph (129 km/h)05h 34m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
15.77 gal
59.69 L · about $65.41
Round trip
$130.83
31.54 gal · 119.38 L
Estimated CO2
140.1 kg one way
Round trip: 280.3 kg / 618 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.15 $65.41 $130.83
Mid-grade $4.60 $72.48 $144.96
Premium $4.90 $77.21 $154.42
Diesel $4.35 $68.60 $137.20

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 29, 2026

Please keep in mind that there is a 1 hour time gap between St. Petersburg, FL and Miramar Beach, FL. The current time in St. Petersburg is 11:21:56, although it is 10:21:56 in Miramar Beach.

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.