Driving Time from Bolu to Zonguldak
Driving from Bolu to Zonguldak is about 66 mi and takes roughly 1 hr 30 min. See the fuel-cost estimate, distance and route tips.
1 hr 30 min
Driving time
50 mi
Straight-line
66 mi
By road
36 min
Flight time
Bolu and Zonguldak are about 50 mi (81 km) apart in a straight line. By road that works out to roughly 66 mi (105 km), a drive of about 1 hr 30 min. A nonstop flight covers the great-circle distance in approximately 36 min.
| Straight-line distance | 50 mi / 81 km |
| Road distance (est.) | 66 mi / 105 km |
| Driving time (est.) | 1 hr 30 min |
| Nonstop flight (est.) | 36 min |
| Driving fuel (est., 1-way) | $8 |
| Typical flight fare | $80–$250 |
| Geographic midpoint | 41.094, 31.699 |
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
Bolu to Zonguldak is about 50 mi (81 km) in a straight line, and roughly 66 mi (105 km) by road.