Going to PREMA via Frankfurt airport (NOT Frankfurt Hahn!)
distance Frankfurt airport - Mainz: about 30 km

drive on by taxi

takes 20-30 minutes, costs about 55 EUROs

alterative: drive on by public transportation

from Regional train station to Mainz main station (Hbf)

S-Bahn S8 (not S9) or regional railways
in the direction of Wiesbaden via Mainz Hbf

From Mainz main station to PREMA

drive on by taxi
takes 10-15 minutes; costs about 12 EUROs

alternative: public transportation
tram 50 or 51 to Hechtsheim/Bürgerhaus
or
Bus 67 to Ebersheim/Zornheim

exit 'Mühldreieck'

pass main street

follow Robert-Bosch-Straße for 300 m

clinker building on the left side (Robert-Bosch-Straße 6)