Karlsruhe ▸ Rennes
Rennes ▸ Karlsruhe ⇄1 a dayfastest 13h15☾ 1 overnight busFlixBus🇩🇪 Germany → 🇫🇷 France
Direct buses · no change
KarlsruheStrasbourgNancyMetzParisLe MansRennes· 748 km as the crow flies
- 17:45 → 07:00+1FlixBus N215 ☾ OvernightKarlsruhe central train station → Rennes (Central bus station) · via Strasbourg, Nancy, Metz, Paris…13h155 stops
Local times at each stop. Times from official open data: FlixBus (file of 11 Oct 2026). Checked Sun 18 Oct 2026; they cover 18 Oct to 14 Nov 2026. Timetables change, so check with the operator before you travel. Contains FlixBus timetable data (FlixMobility, transport.data.gouv.fr), ODbL 1.0. How we build this.
Quick answers
Is there a direct bus from Karlsruhe to Rennes?
Yes. 1 a day on average, with FlixBus, no change of bus (18 Oct to 14 Nov 2026).
How long is the bus from Karlsruhe to Rennes?
The fastest takes 13h15; the slowest 13h15, for 748 km as the crow flies.
Is there a night bus from Karlsruhe to Rennes?
Yes: 1 overnight departure in the timetable, for example 17:45 arriving 07:00 the next morning.