Best way to travel between Istanbul, Turkey and Constanta, Constanța County, Romania

A: Istanbul, Turkey

B: Constanta, Constanța County, Romania

Travel Modes: Price; Distance; Duration; CO2

bus: $18.0; 635.46 km; 12h 40mins; 19.06 kgs

drive: $130.0; 641.55 km; 9h 9mins; 82.12 kgs

flight: $145.0; 723.16 km; 7h 49mins; 78.1 kgs

N/A

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Bus	635.46 km	12h 40mins	59 RON	18.0
Drive	641.55 km	9h 9mins	426 RON	130.0
Flight	723.16 km	7h 49mins	475 RON	145.0

Take Bus from Istanbul to Varna: Time: 8h 35mins Cost: 43 RON; $ 11.7 - 14.3 USD CO2 Emission: 14.16 kgs
Take Bus from Varna to Constanta: Time: 3h 4mins Cost: 16 RON; $ 4.5 - 5.5 USD CO2 Emission: 4.91 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Istanbul, Turkey and Constanta, Constanța County, Romania is to travel by bus, which will cost about 59 RON or 16.20 USD.