Driving Time from Cranston to South Boston
Driving from Cranston to South Boston is about 56 mi and takes roughly 1 hr 17 min. See the fuel-cost estimate, distance and route tips.
Cranston and South Boston are about 43 mi (69 km) apart in a straight line. By road that works out to roughly 56 mi (90 km), a drive of about 1 hr 17 min. A nonstop flight covers the great-circle distance in approximately 35 min.
| Straight-line distance | 43 mi / 69 km |
| Road distance (est.) | 56 mi / 90 km |
| Driving time (est.) | 1 hr 17 min |
| Nonstop flight (est.) | 35 min |
| Driving fuel (est., 1-way) | $7 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 42.057, -71.244 |
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
Cranston to South Boston is about 43 mi (69 km) in a straight line, and roughly 56 mi (90 km) by road.