How far is Lower Grand Lagoon, FL from Port Saint Lucie, FL?

The driving distance from Lower Grand Lagoon, FL to Port Saint Lucie, FL is about 481.6 miles (775.1 km), with a travel time of about 07h 30m by car.

  • The straight-line flight distance is about 381.8 miles (614.5 km).
  • For a round trip, plan for roughly 15h 00m 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
481.6 mi
07h 30m
Flight
381.84 mi
614.51 km direct

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

Learn Distance

Choose another destination from Lower Grand Lagoon.

Flight Distance

Direct air line
381.84 mi
Kilometers
614.51 km
Flight Time
00h 46m

Driving Distance

Road route
481.6 mi
Kilometers
775.06 km
Drive Time
07h 30m

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 30m.

Arrival Snapshot
Arrive in Port Saint Lucie
Thu, Apr 23, 9:30 AM EDT
Return by in Lower Grand Lagoon
Thu, Apr 23, 4:00 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Lower Grand Lagoon
2026-04-23T00:59
Arrive Port Saint Lucie
Thu, Apr 23, 8:30 AM CDT
Route Timing
07h 30m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
2:30 PM to 4:00 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
9:00 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Lower Grand Lagoon
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
High Springs
FL

City in Alachua County, Florida, United States

From Lower Grand Lagoon
240.5 mi
03h 45m
To Port Saint Lucie
241 mi
03h 45m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Lower Grand Lagoon Weather
FL
Live fallback forecast
75°F
Thursday
Using Upper Grand Lagoon as the closest live forecast in the Bay County weather hub.

Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 15 mph SE
Destination
79°F
Thursday

Partly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 10 mph E

Driving Route Map

The map below follows the saved road route between Lower Grand Lagoon and Port Saint Lucie.

Turn-by-Turn Driving Directions

Step-by-step road directions between Lower Grand Lagoon and Port Saint Lucie.

  1. 1

    Start on Benbow Street

    153 m · 24 sec · Benbow Street

  2. 2

    Turn right onto Trelawney Avenue

    155 m · 26 sec · Trelawney Avenue

  3. 3

    Turn left onto Navy Boulevard

    3 mi · 5 min · Navy Boulevard

  4. 4

    Turn slight right

    1.1 km · 1 min

  5. 5

    Keep slight left

    57 m · 5 sec

  6. 6

    Merge slight left

    1.2 mi · 2 min

  7. 7

    Take the exit slight right

    1875 ft · 47 sec

  8. 8

    Turn straight onto West 23rd Street

    5.3 mi · 9 min · West 23rd Street

  9. 9

    At the end of the road, turn left

    113 m · 7 sec

  10. 10

    Continue straight

    1.3 mi · 2 min

  11. 11

    Continue straight

    21.2 mi · 27 min

  12. 12

    Turn right

    28.4 mi · 39 min

  13. 13

    Turn left

    18.1 mi · 24 min

  14. 14

    Turn right onto Selman Street

    3018 ft · 1 min · Selman Street

  15. 15

    Continue on Greensboro Highway

    2.2 mi · 3 min · Greensboro Highway

  16. 16

    Take the ramp slight right toward I 10 East: Tallahassee

    2453 ft · 1 min

  17. 17

    Merge slight left

    121.5 mi · 2 hr 10 min

  18. 18

    Take the exit slight right toward I-75 South: Tampa

    1959 ft · 37 sec

  19. 19

    Merge slight left

    107.2 mi · 1 hr 55 min

  20. 20

    Take the exit slight left toward Florida's Turnpike South, Orlando

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

  21. 21

    Take the exit slight right toward Port Saint Lucie

    1 mi · 3 min

  22. 22

    Continue on Southwest Bayshore Boulevard

    147 m · 15 sec · Southwest Bayshore Boulevard

  23. 23

    Turn right onto Southwest Port Saint Lucie Boulevard

    1.4 km · 2 min · Southwest Port Saint Lucie Boulevard

  24. 24

    Turn left onto Southeast Airoso Boulevard

    1.6 mi · 3 min · Southeast Airoso Boulevard

  25. 25

    Turn left onto Southwest Carter Avenue

    66 m · 9 sec · Southwest Carter Avenue

  26. 26

    Arrive at your destination

    0 m · 1 sec · Southwest Carter Avenue

Car Route Details

A richer read on the saved driving route between Lower Grand Lagoon and Port Saint Lucie.

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
26 steps
12 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
5.4 / 100 mi
Decision points by distance
Main Roads
I 10 East
122 mi · 25%
I-75 South
108 mi · 22%
Florida's Turnpike
83.1 mi · 17%
Florida's Turnpike South
83.1 mi · 17%
West 23rd Street
27.8 mi · 6%
Navy Boulevard
4.63 mi · 1%
Longest Stretch

Florida's Turnpike

Take the exit slight left toward Florida's Turnpike South, Orlando

165 mi · 02h 57m

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 30m
Overnight route
Same-Day Return
15h 00m
Round-trip wheel time
Road vs Air
+99.8 mi
381.8 mi direct line
Halfway Stop
High Springs
03h 45m from Lower Grand Lagoon
Leave By
9:00 PM CDT
Overnight-style route
Weather Watch

Sunny leaving Lower Grand Lagoon and Partly Sunny near Port Saint Lucie.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Lower Grand Lagoon to Port Saint Lucie?

The road trip is about 481.6 miles (775.1 km) and usually takes 07h 30m 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?

High Springs is a useful midpoint, sitting about 240.5 miles from Lower Grand Lagoon and 241 miles from Port Saint Lucie.

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

The direct path is about 381.8 miles (614.5 km), while the road route adds roughly 99.8 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 $70.47 one way or $140.95 round trip. Estimated CO2 is about 151 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

Before you leave, expect Sunny around Lower Grand Lagoon and Partly Sunny near Port Saint Lucie.

Stop Ideas Near High Springs

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

Mid-route Guidance
Local place coverage is thin around High Springs, 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 High Springs.

BUS

Gainesville, Florida

33 mi away
201 East University Ave.
BUS

Waldo, Florida

42 mi away
14648 NE 147th Avenue
BUS

Ocala, Florida

83 mi away
531 Northeast First Ave
RAIL

Palatka

94 mi away
220 North 11th Street

Flight Path Map

This map shows the direct air route between Lower Grand Lagoon and Port Saint Lucie. Straight-line distance: 381.84 mi (614.51 km).

Lower Grand Lagoon

#1 Lower Grand Lagoon

Census-designated place in Bay County, Florida

Population3,881
Coordinates30.1440900, -85.7507600
Altitude3
CountryUnited States
Port Saint Lucie

#2 Port Saint Lucie

The second most populous city in St.

Population209,715
Coordinates27.2939300, -80.3503300
Altitude5
CountryUnited States
Start: Benbow Street (-85.751093, 30.144089)
End: Southwest Carter Avenue (-80.350328, 27.294381)

Estimated Travel Time

Distance: 775 km by road

SpeedTime
30 mph (48.3 km/h)16h 02m
40 mph (64.37 km/h)12h 02m
50 mph (80.47 km/h)09h 37m
60 mph (96.56 km/h)08h 01m
70 mph (112.65 km/h)06h 52m
80 mph (129 km/h)06h 00m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
16.99 gal
64.33 L · about $70.47
Round trip
$140.95
33.98 gal · 128.66 L
Estimated CO2
151 kg one way
Round trip: 302 kg / 666 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.15 $70.47 $140.95
Mid-grade $4.60 $78.09 $156.17
Premium $4.90 $83.18 $166.37
Diesel $4.35 $73.91 $147.81

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 23, 2026

Please keep in mind that there is a 1 hour time gap between Lower Grand Lagoon, FL and Port Saint Lucie, FL. The current time in Lower Grand Lagoon is 00:59:40, although it is 01:59:40 in Port Saint Lucie.

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.