There's actually no such language as Swiss. Switzerland has 4 official languages: German, French, Italian, and Romansh. Please specify which language you want to translate into.
Guet nacht
The Swiss Rail is another name for the train system in Switzerland. You can get tickets for this at the train station if you decide to go on a trip there.
"Have a good trip!" English is the official language of Australia.
Yes, in my opinion. Some people say it is bad, but to me, Swiss Miss hot chocolate mix rox!
buen viaje
Trevlig resa
maligayang paglalakbay
"Maligayang paglalakbay"
You could say "Habe iter jucundum!" (literally: "Have a pleasant trip/journey!")
bon voyage, good trip, good journey. as in 'have a good trip'
You can obtain Swiss Francs for your trip to Switzerland at currency exchange offices, banks, or ATMs in Switzerland or in your home country before you travel.
"bon voyage en France" is the way French speakers would say 'have a good trip to France'.