Driving Time from Biloxi to St. Petersburg
Driving from Biloxi to St. Petersburg is about 508 mi and takes roughly 8 hr 36 min. See the fuel-cost estimate, distance and route tips.
Biloxi and St. Petersburg are about 416 mi (670 km) apart in a straight line. By road that works out to roughly 508 mi (817 km), a drive of about 8 hr 36 min. A nonstop flight covers the great-circle distance in approximately 1 hr 16 min.
| Straight-line distance | 416 mi / 670 km |
| Road distance (est.) | 508 mi / 817 km |
| Driving time (est.) | 8 hr 36 min |
| Nonstop flight (est.) | 1 hr 16 min |
| Driving fuel (est., 1-way) | $63 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 29.119, -85.743 |
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
Biloxi to St. Petersburg is about 416 mi (670 km) in a straight line, and roughly 508 mi (817 km) by road.