сначала, я ехала 6 часов в автобусе

сначала, я ехала 6 часов в автобусе до варшавского аэропорта, потом я ждала ещё 6 часов до вылета самолета, а прибыв в Рим, меня ждала захватывающая и информативная экскурсия по Риму

Результаты (английский) 1:

at first, I was going 6:00 in bus to Warsaw, then I waited for another 6:00 before departure and upon arrival in Rome, I was waiting for an exciting and informative tour around Rome

Результаты (английский) 2:

First, I drove 6 hours on the bus to Warsaw airport, then I waited another 6 hours before departure of the aircraft and arrived in Rome, I was waiting for an exciting and informative tour of Rome

Результаты (английский) 3:

first, i drove six hours on a bus to warsaw airport, then i waited for six hours before departure, and arriving in rome, i had an exciting and informative tour of rome