This is the 5354th most frequent Turkish word.
kilometreyi
The Turkish word "kilometreyi" means "the kilometer" in the accusative case.
In this sentence, 'kilometreyi' appears in the accusative case to refer to a specific measurable unit of distance (ten kilometers) that was completed.
On kilometreyi sabah koşusunda tamamladım.
I completed ten kilometers during the morning run.
Here, 'kilometreyi' in the accusative case emphasizes the action of driving in relation to each specific unit of distance.
Seyahatte her kilometreyi dikkatlice sürmelisin.
You should drive carefully every kilometer during the trip.
In this case, 'kilometreyi' refers metaphorically to a location or a mark situated at a specific distance, again using the accusative case.