How far is Port Saint Lucie, FL from Miramar Beach, FL?

The driving distance from Port Saint Lucie, FL to Miramar Beach, FL is about 522.3 miles (840.6 km), with a travel time of about 09h 35m by car.

  • The straight-line flight distance is about 421.3 miles (678 km).
  • For a round trip, plan for roughly 19h 10m 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
522.34 mi
09h 35m
Flight
421.26 mi
677.95 km direct

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

Learn Distance

Choose another destination from Port Saint Lucie.

Flight Distance

Direct air line
421.26 mi
Kilometers
677.95 km
Flight Time
00h 50m

Driving Distance

Road route
522.34 mi
Kilometers
840.63 km
Drive Time
09h 35m

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 09h 35m.

Arrival Snapshot
Arrive in Miramar Beach
Thu, Apr 16, 5:05 PM CDT
Return by in Port Saint Lucie
Fri, Apr 17, 3:40 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Port Saint Lucie
2026-04-16T08:29
Arrive Miramar Beach
Thu, Apr 16, 6:05 PM EDT
Route Timing
09h 35m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
2:35 PM to 4:05 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
4:50 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Port Saint Lucie
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
Lake City
FL

County seat of Columbia County, Florida, United States

From Port Saint Lucie
261.2 mi
04h 47m
To Miramar Beach
261.1 mi
04h 47m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Thursday

Mostly Sunny

Starts
Thu, Apr 16 6:00 AM EDT
Wind
0 to 10 mph E
Destination
Miramar Beach Weather
FL
Live fallback forecast
81°F
Thursday
Using Freeport as the closest live forecast in the Walton County weather hub.

Patchy Fog then Mostly Sunny

Starts
Thu, Apr 16 6:00 AM CDT
Wind
0 to 10 mph SSE

Driving Route Map

The map below follows the saved road route between Port Saint Lucie and Miramar Beach.

Turn-by-Turn Driving Directions

Step-by-step road directions between Port Saint Lucie and Miramar Beach.

  1. 1

    Start on Southwest Carter Avenue

    66 m · 11 sec · Southwest Carter Avenue

  2. 2

    Turn right onto Southeast Airoso Boulevard

    1.6 mi · 3 min · Southeast Airoso Boulevard

  3. 3

    Turn right onto Southwest Port Saint Lucie Boulevard

    1.3 km · 1 min · Southwest Port Saint Lucie Boulevard

  4. 4

    Turn left onto Southwest Bayshore Boulevard

    560 ft · 22 sec · Southwest Bayshore Boulevard

  5. 5

    Take the ramp straight toward Florida's Turnpike Toll

    2787 ft · 1 min

  6. 6

    Keep slight right to continue on Orlando, Florida's Turnpike North

    1842 ft · 45 sec

  7. 7

    Merge slight left onto Florida's Turnpike

    164.8 mi · 2 hr 57 min · Florida's Turnpike

  8. 8

    Keep slight left to continue on Florida's Turnpike

    1281 ft · 16 sec · Florida's Turnpike

  9. 9

    Merge slight left

    106.9 mi · 1 hr 55 min

  10. 10

    Take the exit slight right toward I 10: Jacksonville, Tallahassee

    820 ft · 16 sec

  11. 11

    Keep slight left to continue on I 10 West: Tallahassee

    1569 ft · 30 sec

  12. 12

    Merge slight right

    211.3 mi · 3 hr 46 min

  13. 13

    Take the exit slight right toward US 331: DeFuniak Springs, Freeport

    1849 ft · 45 sec

  14. 14

    Turn straight onto US Highway 331 South

    23.9 mi · 31 min · US Highway 331 South

  15. 15

    Turn right onto US Highway 98 West

    10.2 mi · 16 min · US Highway 98 West

  16. 16

    Turn left onto Scenic Gulf Drive

    1.1 km · 2 min · Scenic Gulf Drive

  17. 17

    Turn left

    29 m · 9 sec

  18. 18

    Turn left

    35 m · 11 sec

  19. 19

    Turn right

    84 m · 20 sec

  20. 20

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Port Saint Lucie 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
20 steps
13 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
3.8 / 100 mi
Decision points by distance
Main Roads
Florida's Turnpike
272 mi · 52%
I 10 West
212 mi · 41%
US Highway 331 South
23.9 mi · 5%
US Highway 98 West
10.2 mi · 2%
Southeast Airoso Boulevard
1.56 mi
Southwest Port Saint Lucie Boulevard
0.84 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
09h 35m
Overnight route
Same-Day Return
19h 10m
Round-trip wheel time
Road vs Air
+101 mi
421.3 mi direct line
Halfway Stop
Lake City
04h 47m from Port Saint Lucie
Leave By
4:50 PM EDT
Overnight-style route
Weather Watch

Mostly Sunny leaving Port Saint Lucie and Patchy Fog then Mostly Sunny near Miramar Beach.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Port Saint Lucie to Miramar Beach?

The road trip is about 522.3 miles (840.6 km) and usually takes 09h 35m 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?

Lake City is a useful midpoint, sitting about 261.2 miles from Port Saint Lucie and 261.1 miles from Miramar Beach.

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

The direct path is about 421.3 miles (678 km), while the road route adds roughly 101 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 $76.45 one way or $152.90 round trip. Estimated CO2 is about 163.8 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Port Saint Lucie and Miramar Beach, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Port Saint Lucie and Patchy Fog then Mostly Sunny near Miramar Beach.

Stop Ideas Near Lake City

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

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

BUS

Waldo, Florida

64 mi away
14648 NE 147th Avenue
BUS

Gainesville, Florida

67 mi away
201 East University Ave.
RAIL

Jacksonville

90 mi away
3570 Clifford Lane
RAIL

Palatka

113 mi away
220 North 11th Street

Flight Path Map

This map shows the direct air route between Port Saint Lucie and Miramar Beach. Straight-line distance: 421.26 mi (677.95 km).

Port Saint Lucie

#1 Port Saint Lucie

The second most populous city in St.

Population209,715
Coordinates27.2939300, -80.3503300
Altitude5
CountryUnited States
Miramar Beach

#2 Miramar Beach

Census-designated place in Walton County, Florida

Population6,146
Coordinates30.3743700, -86.3585600
Altitude6
CountryUnited States
Start: Port Saint Lucie (-80.35033, 27.29393)
End: Miramar Beach (-86.35856, 30.37437)

Estimated Travel Time

Distance: 841 km by road

SpeedTime
30 mph (48.3 km/h)17h 24m
40 mph (64.37 km/h)13h 03m
50 mph (80.47 km/h)10h 26m
60 mph (96.56 km/h)08h 42m
70 mph (112.65 km/h)07h 27m
80 mph (129 km/h)06h 30m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
18.43 gal
69.77 L · about $76.45
Round trip
$152.90
36.86 gal · 139.54 L
Estimated CO2
163.8 kg one way
Round trip: 327.6 kg / 722 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.15 $76.45 $152.90
Mid-grade $4.60 $84.70 $169.41
Premium $4.90 $90.23 $180.47
Diesel $4.35 $80.17 $160.34

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 16, 2026

Please keep in mind that there is a 1 hour time gap between Port Saint Lucie, FL and Miramar Beach, FL. The current time in Port Saint Lucie is 08:29:56, although it is 07:29:56 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.