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

The driving distance from St. Petersburg, FL to Quincy, FL is about 317.2 miles (510.5 km), with a travel time of about 05h 54m by car.

  • The straight-line flight distance is about 225.9 miles (363.6 km).
  • For a round trip, plan for roughly 11h 49m 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
317.2 mi
05h 54m
Flight
225.94 mi
363.62 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
225.94 mi
Kilometers
363.62 km
Flight Time
00h 27m

Driving Distance

Road route
317.2 mi
Kilometers
510.49 km
Drive Time
05h 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 05h 54m.

Arrival Snapshot
Arrive in Quincy
Wed, May 13, 2:07 AM EDT
Return by in St. Petersburg
Wed, May 13, 8:02 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave St. Petersburg
2026-05-12T20:13
Arrive Quincy
Wed, May 13, 2:07 AM EDT
Route Timing
05h 54m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
11:55 AM to 1:55 PM EDT

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

Leave by
5:10 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

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
Alachua
FL

City in Alachua County, Florida, United States

From St. Petersburg
158.7 mi
02h 57m
To Quincy
158.4 mi
02h 57m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
92°F
Tuesday

Partly Sunny then Slight Chance Showers And Thunderstorms

Starts
Tue, May 12 6:00 AM EDT
Wind
3 to 9 mph NNW
Destination
81°F
Tuesday

Slight Chance Showers And Thunderstorms

Starts
Tue, May 12 6:00 AM EDT
Wind
5 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on 34th Street South

    2326 ft · 1 min · 34th Street South

  2. 2

    Turn right onto 5th Avenue North

    1.2 mi · 2 min · 5th Avenue North

  3. 3

    Take the ramp left toward I 275 North

    1811 ft · 50 sec

  4. 4

    Merge slight left

    37.7 mi · 47 min

  5. 5

    Merge slight left

    160.3 mi · 2 hr 52 min

  6. 6

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

    820 ft · 16 sec

  7. 7

    Keep slight left to continue on I 10 West: Tallahassee

    1569 ft · 30 sec

  8. 8

    Merge slight right

    104 mi · 1 hr 51 min

  9. 9

    Take the exit slight right toward US 90: Midway, Quincy

    2371 ft · 1 min

  10. 10

    Keep slight right to continue on US 90 West: Midway, Quincy

    130 m · 10 sec

  11. 11

    Turn straight onto Blue Star Highway

    9.7 mi · 12 min · Blue Star Highway

  12. 12

    Continue on East Jefferson Street

    2.5 mi · 5 min · East Jefferson Street

  13. 13

    Turn left onto South Ward Street

    112 m · 18 sec · South Ward Street

  14. 14

    Turn right onto West Crawford Street

    65 m · 9 sec · West Crawford Street

  15. 15

    Arrive at your destination

    0 m · 1 sec · West Crawford Street

Car Route Details

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

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
15 steps
4 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
4.7 / 100 mi
Decision points by distance
Main Roads
I 275 North
198 mi · 63%
I 10 West
104 mi · 33%
Blue Star Highway
9.72 mi · 3%
East Jefferson Street
2.48 mi · 1%
5th Avenue North
1.16 mi
US 90
0.45 mi
Longest Stretch

I 275 North

Merge slight left

160 mi · 02h 52m

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
05h 54m
Long day trip
Same-Day Return
11h 50m
Round-trip wheel time
Road vs Air
+91.3 mi
225.9 mi direct line
Halfway Stop
Alachua
02h 57m from St. Petersburg
Leave By
5:10 AM EDT
Early departure recommended
Weather Watch

Partly Sunny then Slight Chance Showers And Thunderstorms leaving St. Petersburg and Slight Chance Showers And Thunderstorms near Quincy.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 317.2 miles (510.5 km) and usually takes 05h 54m 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?

Alachua is a useful midpoint, sitting about 158.7 miles from St. Petersburg and 158.4 miles from Quincy.

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

The direct path is about 225.9 miles (363.6 km), while the road route adds roughly 91.3 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 5:10 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $46.42 one way or $92.83 round trip. Estimated CO2 is about 99.4 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around St. Petersburg and Slight Chance Showers And Thunderstorms near Quincy.

Stop Ideas Near Alachua

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

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

BUS

Gainesville, Florida

15 mi away
201 East University Ave.
BUS

Waldo, Florida

25 mi away
14648 NE 147th Avenue
BUS

Ocala, Florida

68 mi away
531 Northeast First Ave
RAIL

Palatka

77 mi away
220 North 11th Street

Flight Path Map

This map shows the direct air route between St. Petersburg and Quincy. Straight-line distance: 225.94 mi (363.62 km).

St. Petersburg

#1 St. Petersburg

The second most populous city in Florida.

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

#2 Quincy

County seat of Gadsden County, Florida, United States

Population6,804
Coordinates30.5871400, -84.5832500
Altitude63
CountryUnited States
Start: St. Petersburg (-82.67927, 27.77086)
End: Quincy (-84.58325, 30.58714)

Estimated Travel Time

Distance: 510 km by road

SpeedTime
30 mph (48.3 km/h)10h 34m
40 mph (64.37 km/h)07h 55m
50 mph (80.47 km/h)06h 20m
60 mph (96.56 km/h)05h 17m
70 mph (112.65 km/h)04h 31m
80 mph (129 km/h)03h 57m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.19 gal
42.37 L · about $46.42
Round trip
$92.83
22.38 gal · 84.74 L
Estimated CO2
99.4 kg one way
Round trip: 198.9 kg / 438 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.15 $46.42 $92.83
Mid-grade $4.60 $51.43 $102.86
Premium $4.90 $54.79 $109.57
Diesel $4.35 $48.68 $97.35

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 13, 2026

There is no time difference between St. Petersburg and Quincy. The current time is 20:13:10.

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.