Getting to Romania 

By plane:
Austrian Airlines — the preferred airline for travel from North America  to Romania  — offers daily connections to Bucharest, Cluj, Iasi, Sibiu and Timisoara from several cities in the USA and Canada.
Bucharest is no more than 2 hours by plane from most cities in Central Europe.
Other cities in Romania including Timisoara, Cluj, Sibiu, Oradea, Arad, and Bacau, are connected with destinations in Austria, Germany, Italy and Hungary by flights with Austrian Airlines, Blue Air, CarpatAir and Tarom. Tarom is the Romania's national carrier. It has connections to most of the European destinations, but most of the flights are only to Bucharest.  In the past  few years many low cost airlines (  Blue Air, Wizz AirGermanwings etc.) have started flights between various cities in Romania and destinations in Italy, Spain, Germany, France, the UK and Hungary .

By train:
Traveling by train from other European countries to Romania takes from 4 hours (Budapest to Oradea or Arad) to about 46 hours (London to Bucharest). Most train tickets allow several stopovers en route so train travel can be an affordable and relaxing way to include Romania in a European trip.
Romanian National Railways (SNCFR) operate service from Bucharest to many European cities. First and second-class sleepers are available for journeys longer than 10 hours and for overnight trains.
Information about international train schedules .

By car:
Border crossing between Romania and its western neighbors is just a formality. When renting a car in Europe please check with the car rental company about its policy regarding taking the car across national borders. Insurance can be purchased at any Romanian border crossing point. Documents required by Romanian Customs are the vehicle's registration, proof of insurance, the road toll badge (Rovigneta) and a valid driver's license from the driver's home country.
There are many bus routes that connect Bucharest and Romania's main cities with Athens, Berlin, Budapest, Copenhagen, Frankfurt, Istanbul, London, Milan, Munich, Paris, Rome, and Vienna.

By boat:
Several river cruise companies based in Germany or Austria offer cruises on the Danube River through to the Danube Delta and the Black Sea Coast.