How far is Key West, FL from St. Petersburg, FL?
Flight Distance
229.04 mi
368.61 km · 00h 27m flight
Driving Distance
409.91 mi
659.69 km · 06h 48m drive
Gas Cost Calculator
#1 Key West
County seat city of Monroe County, Florida, United States; island in Florida Keys
| Population | 23,767 |
| Coordinates | 24.5552400, -81.7816300 |
| Altitude | 1 |
| Country | United States |
#2 St. Petersburg
The second most populous city in Florida. It is located on the Gulf Coast of Florida. St. Petersburg is known for its beaches, its many museums, and its many attractions, such as the Salvador Dali Museum and the St. Petersburg Museum of Fine Arts.
| Population | 253,693 |
| Coordinates | 27.7708600, -82.6792700 |
| Altitude | 13 |
| Country | United States |
Start: George Street (-81.781612, 24.555252)
End: US 19 (-82.679372, 27.77086)
End: US 19 (-82.679372, 27.77086)
Estimated Travel Time
Distance: 660 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 39m |
| 40 mph (64.37 km/h) | 10h 14m |
| 50 mph (80.47 km/h) | 08h 11m |
| 60 mph (96.56 km/h) | 06h 49m |
| 70 mph (112.65 km/h) | 05h 51m |
| 80 mph (129 km/h) | 05h 06m |
Gas Consumption
Fuel needed: 54.75 L (14.46 gal). Cost: $59.98
| Gas | Mid | Prem | Diesel | |
|---|---|---|---|---|
| $/gal | $4.15 | $4.6 | $4.9 | $4.35 |
| Total | $59.98 | $66.46 | $70.8 | $62.9 |
Prices in Florida · Apr 09, 2026
There is no time difference between Key West and St. Petersburg. The current time is 10:31:30.
Gas Consumption
A car with 8.3 l/100 km efficiency needs 54.75 liters (14.46 gal). Cost: $59.98 (diesel $62.9).
| Gas | Mid | Premium | Diesel | |
|---|---|---|---|---|
| $/Gallon | $4.15 | $4.6 | $4.9 | $4.35 |
| Total | $59.98 | $66.46 | $70.8 | $62.9 |
Prices in Florida · Apr 09, 2026
Distance to Other Cities
Brent, FL
882.8 mi (1421 km)
14h 42m drive
Cape Coral, FL
302.1 mi (486 km)
05h 02m drive
Clearwater, FL
427.6 mi (688 km)
07h 07m drive
Coral Springs, FL
191.7 mi (309 km)
03h 11m drive
Fort Lauderdale, FL
189.3 mi (305 km)
03h 09m drive
Gainesville, FL
496.9 mi (800 km)
08h 16m drive
Harlem, FL
238.6 mi (384 km)
03h 58m drive
Hialeah, FL
162.8 mi (262 km)
02h 42m drive
Hollywood, FL
180.6 mi (291 km)
03h 00m drive
Jacksonville, FL
506.4 mi (815 km)
08h 26m drive
Miami, FL
163.2 mi (263 km)
02h 43m drive
Miramar, FL
174.4 mi (281 km)
02h 54m drive
How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.