Flight Time from Key West to St. Petersburg
The flight from Key West to St. Petersburg covers about 229 mi and takes roughly 55 min nonstop. Flight duration estimate and fare guide.
Key West and St. Petersburg are about 229 mi (369 km) apart in a straight line. By road that works out to roughly 279 mi (450 km), a drive of about 5 hr. A nonstop flight covers the great-circle distance in approximately 55 min.
| Straight-line distance | 229 mi / 369 km |
| Road distance (est.) | 279 mi / 450 km |
| Driving time (est.) | 5 hr |
| Nonstop flight (est.) | 55 min |
| Driving fuel (est., 1-way) | $35 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 26.164, -82.224 |
How these estimates work
Straight-line distance uses the haversine formula on each city's coordinates. Road distance applies a circuity factor (~1.2–1.4×) and driving time a blended average speed. Flight time uses typical jet cruise speed plus ~30 minutes for taxi, climb and descent. Treat all figures as planning estimates.
Frequently asked questions
Key West to St. Petersburg is about 229 mi (369 km) in a straight line, and roughly 279 mi (450 km) by road.