How far is St. Petersburg, FL from Marco Island, FL?

The driving distance from St. Petersburg, FL to Marco Island, FL is about 163.4 miles (262.9 km), with a travel time of about 03h 10m by car.

  • The straight-line flight distance is about 139.6 miles (224.7 km).
  • For a round trip, plan for roughly 06h 20m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 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
163.36 mi
03h 10m
Flight
139.6 mi
224.67 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
139.6 mi
Kilometers
224.67 km
Flight Time
00h 16m

Driving Distance

Road route
163.36 mi
Kilometers
262.91 km
Drive Time
03h 10m

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 03h 10m.

Arrival Snapshot
Arrive in Marco Island
Thu, Apr 16, 10:00 AM EDT
Return by in St. Petersburg
Thu, Apr 16, 1:10 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave St. Petersburg
2026-04-16T06:50
Arrive Marco Island
Thu, Apr 16, 10:00 AM EDT
Route Timing
03h 10m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:10 AM to 11:10 AM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:40 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in St. Petersburg
9:00 PM EDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Harbour Heights
FL

Census designated place

From St. Petersburg
81.8 mi
01h 35m
To Marco Island
81.5 mi
01h 35m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Thursday

Patchy Fog then Sunny

Starts
Thu, Apr 16 6:00 AM EDT
Wind
5 to 9 mph SSW
Destination
Marco Island Weather
FL
Live fallback forecast
85°F
Thursday
Using Lely Resort as the closest live forecast in the Collier County weather hub.

Sunny

Starts
Thu, Apr 16 6:00 AM EDT
Wind
8 mph E

Driving Route Map

The map below follows the saved road route between St. Petersburg and Marco Island.

Turn-by-Turn Driving Directions

Step-by-step road directions between St. Petersburg and Marco Island.

  1. 1

    Start on 34th Street South

    15 m · 5 sec · 34th Street South

  2. 2

    Turn right onto Central Avenue

    1304 ft · 51 sec · Central Avenue

  3. 3

    Turn right onto 31st Street South

    1.1 km · 1 min · 31st Street South

  4. 4

    Take the ramp slight right

    2760 ft · 1 min

  5. 5

    Merge slight right

    4.9 mi · 6 min

  6. 6

    Keep slight left

    1406 ft · 17 sec

  7. 7

    Merge slight right onto Sunshine Skyway Bridge

    13.4 mi · 15 min · Sunshine Skyway Bridge

  8. 8

    Keep slight left to continue on I 75 South: Naples

    1.1 mi · 2 min

  9. 9

    Merge slight left

    28 mi · 30 min

  10. 10

    Keep slight left

    98.1 mi · 1 hr 45 min

  11. 11

    Take the exit slight right toward CR 951: Naples, Marco Island

    2103 ft · 52 sec

  12. 12

    Keep slight right

    134 m · 15 sec

  13. 13

    Turn straight onto Collier Boulevard

    14.5 mi · 23 min · Collier Boulevard

  14. 14

    Turn left onto Yellowbird Street

    596 ft · 18 sec · Yellowbird Street

  15. 15

    Exit the roundabout onto Yellowbird Street

    3198 ft · 2 min · Yellowbird Street

  16. 16

    At the end of the road, turn left onto Bald Eagle Drive

    1525 ft · 33 sec · Bald Eagle Drive

  17. 17

    Turn right onto Waterway Court

    149 m · 36 sec · Waterway Court

  18. 18

    At the end of the road, turn right onto Waterway Court

    9 m · 3 sec · Waterway Court

  19. 19

    Continue on Waterway Court

    14 m · 4 sec · Waterway Court

  20. 20

    Arrive at your destination

    0 m · 1 sec · Waterway Court

Car Route Details

A richer read on the saved driving route between St. Petersburg and Marco Island.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
20 steps
8 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
12.2 / 100 mi
Decision points by distance
Main Roads
I 75 South
127 mi · 78%
Collier Boulevard
14.5 mi · 9%
Sunshine Skyway Bridge
13.4 mi · 8%
31st Street South
6.4 mi · 4%
Yellowbird Street
0.72 mi
CR 951
0.48 mi
Longest Stretch

I 75 South

Keep slight left

98.1 mi · 01h 45m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 10m
Long day trip
Same-Day Return
06h 20m
Round-trip wheel time
Road vs Air
+23.8 mi
139.6 mi direct line
Halfway Stop
Harbour Heights
01h 35m from St. Petersburg
Leave By
10:40 AM EDT
Early departure recommended
Weather Watch

Patchy Fog then Sunny leaving St. Petersburg and Sunny near Marco Island.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from St. Petersburg to Marco Island?

The road trip is about 163.4 miles (262.9 km) and usually takes 03h 10m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Harbour Heights is a useful midpoint, sitting about 81.8 miles from St. Petersburg and 81.5 miles from Marco Island.

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

The direct path is about 139.6 miles (224.7 km), while the road route adds roughly 23.8 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 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:40 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $23.89 one way or $47.78 round trip. Estimated CO2 is about 51.2 kg one way.

What should you check before leaving?

Before you leave, expect Patchy Fog then Sunny around St. Petersburg and Sunny near Marco Island.

Stop Ideas Near Harbour Heights

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

Mid-route Guidance
Local place coverage is thin around Harbour Heights, 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 Harbour Heights.

BUS

Port Charlotte, Florida

6 mi away
909 King Highway
BUS

Fort Myers, Florida

36 mi away
6050 Plaza Drive
BUS

Sarasota, Florida

65 mi away
1993 Main Street
BUS

Bradenton, Florida

72 mi away
1115 Manatee Avenue West

Flight Path Map

This map shows the direct air route between St. Petersburg and Marco Island. Straight-line distance: 139.6 mi (224.67 km).

St. Petersburg

#1 St. Petersburg

The second most populous city in Florida.

Population253,693
Coordinates27.7708600, -82.6792700
Altitude13
CountryUnited States
Marco Island

#2 Marco Island

City in Collier County, Florida, United States

Population18,089
Coordinates25.9412100, -81.7184200
Altitude1
CountryUnited States
Start: St. Petersburg (-82.67927, 27.77086)
End: Marco Island (-81.71842, 25.94121)

Estimated Travel Time

Distance: 263 km by road

SpeedTime
30 mph (48.3 km/h)05h 26m
40 mph (64.37 km/h)04h 05m
50 mph (80.47 km/h)03h 16m
60 mph (96.56 km/h)02h 43m
70 mph (112.65 km/h)02h 20m
80 mph (129 km/h)02h 02m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.76 gal
21.82 L · about $23.89
Round trip
$47.78
11.52 gal · 43.64 L
Estimated CO2
51.2 kg one way
Round trip: 102.4 kg / 226 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.15 $23.89 $47.78
Mid-grade $4.60 $26.47 $52.95
Premium $4.90 $28.20 $56.40
Diesel $4.35 $25.06 $50.11

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

There is no time difference between St. Petersburg and Marco Island. The current time is 06:50:03.

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.