How far is St. Petersburg, FL from Myrtle Grove, FL?
The driving distance from St. Petersburg, FL to Myrtle Grove, FL is about 493.8 miles (794.7 km), with a travel time of about 09h 05m by car.
- The straight-line flight distance is about 334 miles (537.6 km).
- For a round trip, plan for roughly 18h 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.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 05m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
City in Madison County, Florida, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between St. Petersburg and Myrtle Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Petersburg and Myrtle Grove.
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1
Start on 34th Street South
2326 ft · 1 min · 34th Street South
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2
Turn right onto 5th Avenue North
1.2 mi · 2 min · 5th Avenue North
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3
Take the ramp left toward I 275 North
1811 ft · 50 sec
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4
Merge slight left
37.7 mi · 47 min
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5
Merge slight left
160.3 mi · 2 hr 52 min
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6
Take the exit slight right toward I 10: Jacksonville, Tallahassee
820 ft · 16 sec
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7
Keep slight left to continue on I 10 West: Tallahassee
1569 ft · 30 sec
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8
Merge slight right
283.4 mi · 5 hr 4 min
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9
Take the exit slight right toward I 110 South: Pensacola, Pensacola Beach
1.4 km · 1 min
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10
Merge slight left onto Reubin O'Donovan Askew Parkway
2.7 mi · 3 min · Reubin O'Donovan Askew Parkway
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11
Take the exit slight right toward FL 295: Fairfield Drive
1615 ft · 39 sec
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12
Keep slight right to continue on FL 295 South
610 ft · 17 sec
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13
Turn straight onto East Fairfield Drive
2.9 mi · 6 min · East Fairfield Drive
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14
Continue on Fairfield Drive
1.6 mi · 3 min · Fairfield Drive
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15
Turn left onto North 57th Avenue
2274 ft · 1 min · North 57th Avenue
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16
Turn right onto Lillian Highway
1 mi · 2 min · Lillian Highway
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17
Turn right
13 m · 5 sec
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18
Turn right
25 m · 6 sec
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between St. Petersburg and Myrtle Grove.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 10 West
Merge slight right
283 mi · 05h 04m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving St. Petersburg and Partly Sunny near Myrtle Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Petersburg to Myrtle Grove?
The road trip is about 493.8 miles (794.7 km) and usually takes 09h 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?
Madison is a useful midpoint, sitting about 246.9 miles from St. Petersburg and 246.9 miles from Myrtle Grove.
How much longer is the road route than the straight-line distance?
The direct path is about 334 miles (537.6 km), while the road route adds roughly 159.8 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 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 $72.26 one way or $144.52 round trip. Estimated CO2 is about 154.8 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 Myrtle Grove, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny around St. Petersburg and Partly Sunny near Myrtle Grove.
Flight Path Map
This map shows the direct air route between St. Petersburg and Myrtle Grove. Straight-line distance: 334.02 mi (537.55 km).
#1 St. Petersburg
The second most populous city in Florida.
| Population | 253,693 |
| Coordinates | 27.7708600, -82.6792700 |
| Altitude | 13 |
| Country | United States |
#2 Myrtle Grove
Census-designated place in Escambia County, Florida
| Population | 15,870 |
| Coordinates | 30.4210300, -87.3074700 |
| Altitude | 14 |
| Country | United States |
End: Myrtle Grove (-87.30747, 30.42103)
Estimated Travel Time
Distance: 795 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 16h 27m |
| 40 mph (64.37 km/h) | 12h 20m |
| 50 mph (80.47 km/h) | 09h 52m |
| 60 mph (96.56 km/h) | 08h 13m |
| 70 mph (112.65 km/h) | 07h 03m |
| 80 mph (129 km/h) | 06h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.15 | $72.26 | $144.52 |
| Mid-grade | $4.60 | $80.06 | $160.12 |
| Premium | $4.90 | $85.29 | $170.58 |
| Diesel | $4.35 | $75.78 | $151.55 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.