Flight Time from Porto Alegre to Rio Grande
The flight from Porto Alegre to Rio Grande covers about 148 mi and takes roughly 46 min nonstop. Flight duration estimate and fare guide.
Porto Alegre and Rio Grande are about 148 mi (238 km) apart in a straight line. By road that works out to roughly 192 mi (309 km), a drive of about 3 hr 26 min. A nonstop flight covers the great-circle distance in approximately 46 min.
| Straight-line distance | 148 mi / 238 km |
| Road distance (est.) | 192 mi / 309 km |
| Driving time (est.) | 3 hr 26 min |
| Nonstop flight (est.) | 46 min |
| Driving fuel (est., 1-way) | $24 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | -31.035, -51.660 |
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
Porto Alegre to Rio Grande is about 148 mi (238 km) in a straight line, and roughly 192 mi (309 km) by road.