Mainz City Car Hire

Mainz-Kastel is located on the Hessian side of the Rhine, right at the bridge connecting Mainz and Wiesbaden, and offers a strategic location for car rentals in the Rhine-Main region. With one rental company on site and direct access to A671 toward A66, it's easy to reach Frankfurt in 30 km. Kastel is technically part of Wiesbaden.

Kastel is a historic district with roots dating back to Roman times and is only 2 km from Wiesbaden city center and 3 km from Mainz old town via the Theodor-Heuss bridge. From here you can quickly reach the Taunus mountains to the north, approximately 20 km away, for hiking and views. Kastel is an excellent alternative if rental companies in Mainz city center are fully booked.

Use A671 to quickly access the motorway network. Be sure to visit Römerpassage in Wiesbaden, just 10 minutes' drive away. Does Mainz-Kastel belong to Mainz or Wiesbaden?

Kastel administratively belongs to Wiesbaden in Hesse, but is located directly at the border with Mainz in Rhineland-Palatinate. How quickly can I reach Frankfurt Airport from Kastel? Via A66 and A3 it takes approximately 25–35 minutes (approximately 30 km) depending on traffic.

Is there only one rental company in Kastel? Yes, for more options you can also look at rental companies in Mainz city center or Wiesbaden, both within 5 km.

We compare prices from all major providers at Mainz - Kastel so you can see the total cost upfront — including insurance, fuel terms and any extras. Most bookings include free cancellation up to 48 hours before pickup, giving you flexibility if your plans change.