How far is St. Petersburg, FL from Keystone, FL?

The driving distance from St. Petersburg, FL to Keystone, FL is about 32.1 miles (51.7 km), with a travel time of about 00h 54m by car.

  • The straight-line flight distance is about 26.8 miles (43.2 km).
  • For a round trip, plan for roughly 01h 49m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
32.15 mi
00h 54m
Flight
26.84 mi
43.19 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from St. Petersburg.

Flight Distance

Direct air line
26.84 mi
Kilometers
43.19 km
Flight Time
00h 03m

Driving Distance

Road route
32.15 mi
Kilometers
51.74 km
Drive Time
00h 54m

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 00h 54m.

Arrival Snapshot
Arrive in Keystone
Tue, May 5, 10:28 AM EDT
Return by in St. Petersburg
Tue, May 5, 11:23 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave St. Petersburg
2026-05-05T09:33
Arrive Keystone
Tue, May 5, 10:28 AM EDT
Route Timing
00h 54m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:55 AM to 10:55 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:40 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in St. Petersburg
9:30 PM EDT
Morning start is best

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
Safety Harbor
FL

City on the west shore of Tampa Bay in Pinellas County, Florida

From St. Petersburg
16.1 mi
00h 27m
To Keystone
16 mi
00h 27m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
89°F
Tuesday

Sunny

Starts
Tue, May 5 6:00 AM EDT
Wind
8 mph S
Destination
90°F
Tuesday

Sunny

Starts
Tue, May 5 6:00 AM EDT
Wind
8 mph SSE

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between St. Petersburg and Keystone.

  1. 1

    Start on 34th Street South

    4 mi · 8 min · 34th Street South

  2. 2

    Continue on US Highway 19 North

    2.3 mi · 4 min · US Highway 19 North

  3. 3

    Take the exit slight right toward CR 611 North: 49th Street North

    2073 ft · 50 sec

  4. 4

    Turn straight onto 49th Street North

    3 mi · 5 min · 49th Street North

  5. 5

    Turn straight onto Dillinger McCabe Bayside Bridge

    4.1 mi · 5 min · Dillinger McCabe Bayside Bridge

  6. 6

    Continue on McMullen Booth Road

    6.6 mi · 11 min · McMullen Booth Road

  7. 7

    Continue on East Lake Road

    6.4 mi · 10 min · East Lake Road

  8. 8

    Turn right onto Keystone Road

    2.8 mi · 5 min · Keystone Road

  9. 9

    Continue on Tarpon Springs Road

    1 km · 1 min · Tarpon Springs Road

  10. 10

    Turn left onto Tyler Road

    1.1 km · 2 min · Tyler Road

  11. 11

    Turn right onto Tyler Run Avenue

    1.2 km · 2 min · Tyler Run Avenue

  12. 12

    Continue on Brooker Creek Drive

    1302 ft · 59 sec · Brooker Creek Drive

  13. 13

    Turn right onto Blue Tick Road

    1234 ft · 54 sec · Blue Tick Road

  14. 14

    Arrive at your destination

    0 m · 1 sec · Blue Tick Road

Car Route Details

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

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
14 steps
6 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
43.6 / 100 mi
Decision points by distance
Main Roads
McMullen Booth Road
6.57 mi · 20%
East Lake Road
6.37 mi · 20%
Dillinger McCabe Bayside Bridge
4.12 mi · 13%
34th Street South
4.02 mi · 13%
49th Street North
2.99 mi · 9%
Keystone Road
2.82 mi · 9%
Longest Stretch

McMullen Booth Road

Continue on McMullen Booth Road

6.57 mi · 00h 11m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
00h 54m
Day trip friendly
Same-Day Return
01h 50m
Round-trip wheel time
Road vs Air
+5.3 mi
26.8 mi direct line
Halfway Stop
Safety Harbor
00h 27m from St. Petersburg
Leave By
4:40 PM EDT
Morning start is best
Weather Watch

Sunny leaving St. Petersburg and Sunny near Keystone.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 32.1 miles (51.7 km) and usually takes 00h 54m in normal driving conditions.

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

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Safety Harbor is a useful midpoint, sitting about 16.1 miles from St. Petersburg and 16 miles from Keystone.

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

The direct path is about 26.8 miles (43.2 km), while the road route adds roughly 5.3 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:40 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.69 one way or $9.37 round trip. Estimated CO2 is about 10 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around St. Petersburg and Sunny near Keystone.

Stop Ideas Near Safety Harbor

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Safety Harbor and the surrounding midpoint area.
City of Pinellas Park
Scenic stop 11.5 mi away

City of Pinellas Park

Pinellas Park , FL
4100 66th Ave N, Pinellas Park, FL 33781
Rating 3.9/5 16 reviews Park,City Hall
Stop photo coming soon
Practical stop 3.3 mi away

Clearwater Water System Maintenance

Clearwater , FL
1650 N Arcturas Ave, Clearwater, FL 33765
Rating 3.0/5 2 reviews City government office,Water damage restoration service
Dunedin City Hall
Meeting point 4.8 mi away

Dunedin City Hall

Dunedin , FL
542 Main St, Dunedin, FL 34698
Rating 1.2/5 39 reviews City Hall
Belleair Bluffs City Hall
Scenic stop 8.5 mi away

Belleair Bluffs City Hall

Belleair Bluffs , FL
2747 Sunset Blvd, Belleair Bluffs, FL 33770, United States
Rating 4.4/5 9 reviews City or town hall,City administration,City government office,City park,Community center

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Safety Harbor.

BUS

St Petersburg-Pinellas Park-Clearwater, Florida

17 mi away
5251 110th Avenue North
RAIL

Union Station

24 mi away
601 North Nebraska Ave
BUS

Bradenton, Florida

60 mi away
1115 Manatee Avenue West
OTHER

Dade City, Florida

65 mi away
14218 US Highway 98

Flight Path Map

This map shows the direct air route between St. Petersburg and Keystone. Straight-line distance: 26.84 mi (43.19 km).

St. Petersburg

#1 St. Petersburg

The second most populous city in Florida.

Population253,693
Coordinates27.7708600, -82.6792700
Altitude13
CountryUnited States
Keystone

#2 Keystone

Census-designated place in Hillsborough County, Florida

Population24,039
Coordinates28.1558500, -82.6212100
Altitude12
CountryUnited States
Start: St. Petersburg (-82.67927, 27.77086)
End: Keystone (-82.62121, 28.15585)

Estimated Travel Time

Distance: 52 km by road

SpeedTime
30 mph (48.3 km/h)01h 04m
40 mph (64.37 km/h)00h 48m
50 mph (80.47 km/h)00h 38m
60 mph (96.56 km/h)00h 32m
70 mph (112.65 km/h)00h 27m
80 mph (129 km/h)00h 24m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.13 gal
4.29 L · about $4.69
Round trip
$9.37
2.26 gal · 8.58 L
Estimated CO2
10 kg one way
Round trip: 20.1 kg / 44 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.15 $4.69 $9.37
Mid-grade $4.60 $5.19 $10.39
Premium $4.90 $5.53 $11.06
Diesel $4.35 $4.92 $9.83

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 · May 05, 2026

There is no time difference between St. Petersburg and Keystone. The current time is 09:33:35.

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.