eka suraksita yatra hai
"सुरक्षित यात्रा हो।"
boa viagem
Turvallista matkaa!
"Bezpiecznej podróży!"
khair nal jao
"Želáme Vám bezpečnú cestu"
ασφαλές ταξίδι [asfales taxeethi]
Have a safe journey = heb een veilige reis
You can say, "Selamat jalan!"
Slán agus beannacht leat.
I think the closest would be 'Kia pai te haere' ...
Tenga un buen viaje de regreso is have a safe trip home in spanish.