This is the 3212th most frequent Russian word.
невозможности
"Impossibilities" or "inabilities."
Here, 'невозможность' refers to the abstract concept of 'inability' or 'lack of possibility' in terms of achieving goals.
Невозможность достижения целей огорчает многих.
The inability to achieve goals frustrates many people.
In this case, 'невозможности' describes the condition of 'impossibility' that prevents an action, specifically traveling.
Он говорил о невозможности поездки из-за плохой погоды.
He spoke about the impossibility of traveling due to bad weather.
Here, 'невозможности' emphasizes the 'impracticality' or 'impossibility' of meeting certain requirements.