Day trip from Köln to Mainz
Mainz lies 142 km (88 mi) south-east of Köln, in the same time zone. What the numbers say about getting there.
At 142 km (88 mi) apart, Mainz is a realistic day trip from Köln: about 2 h 18 min each way by road.
| Köln | Mainz | |
|---|---|---|
| Country | Germany | Germany |
| Population | 1 million | 222,889 |
| Elevation | 58 m (190 ft) | 125 m (410 ft) |
| Time now | UTC+2 (Europe/Berlin) | UTC+2 (Europe/Berlin) |
| Postal codes | 50667–51149 | 55116–55131 |
What to see in Mainz
| Sight | Visitors a year | Year |
|---|---|---|
| Dom- und Diözesanmuseum (Mainz) | 130,000 | — |
The busiest is Dom- und Diözesanmuseum (Mainz) at 130,000 visitors. Figures are the latest each site has published, so they are not all for the same year.
Where to book tours and tickets in Mainz
We take no bookings for these providers and hold no reservation with them. The provider you choose handles payment, confirmation, changes and refunds. How that works.
Staying in Mainz
Live rooms and prices for Mainz are in the search below.
Book a hotel in Mainz
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Mainz from Köln?
142 km (88 mi) in a straight line, south-east of Köln; by road roughly 173 km (107 mi).
How long does it take to get from Köln to Mainz by road?
About 2 h 18 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Köln and Mainz?
No, both are on Europe/Berlin at the moment.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.