Würzburg to Mulhouse: A Journey Through Franconia and Alsace

The 370-kilometer drive from Würzburg to Mulhouse follows a route steeped in history: the B 8 west of Würzburg connects to the A3, then the A5 near Frankfurt, finally the A35 into Alsace. This journey traces the old post road linking the bishoprics of Würzburg and Basel. The route crosses the Main River three times before reaching the upper Rhine valley. A local quirk: near Röttingen, the highway briefly enters Bavaria twice, separated by a sliver of Baden-Württemberg.

• Total distance: approx. 370 km (230 mi)
• Driving time without stops: 3 hours 45 minutes
• Key highways: A3 (Würzburg–Frankfurt), A5 (Frankfurt–Basel), A35 (Basel–Mulhouse)

For those wondering how to find the best stops and hidden gems between cities, our guide how to find the best stops and hidden gems between cities offers a methodology that pairs perfectly with this itinerary.

The fastest route uses the A3 from Würzburg to the Mönchhof interchange, then the A5 south. Tolls: the A35 from the German border to Mulhouse is toll-free, but French autoroutes (A35) north of Mulhouse are free. Fuel costs average €1.90/liter in Germany; cheaper stations exist near Aschaffenburg and Freiburg. Rest stops with 24-hour fuel: Würzburg-West, Spessart-Süd, and Raststätte Michelrieth.

If driving an electric vehicle, fast-chargers are available at almost every Raststätte. A full charge at Ionity stations costs around €25. Toll roads: none on the German side, but the French A35 is free. The route is well-suited for a round trip; is it worth driving Würzburg to Mulhouse? Yes, for the combination of Franconian wine, Black Forest scenery, and Alsatian architecture.

The A3 and A5 are among Germany's safest highways, with concrete barriers and digital speed limit signs. However, frequent construction zones near Darmstadt and Frankfurt require attention. In France, the A35 has lower traffic but no hard shoulder in some sections. Best stops for families include Raststätte Spessart-Süd with its large playground and food court.

• Fatigue management: Plan a break every 90 minutes. Ideal stops: Raststätte Kirchheimer Dreieck (A5), Raststätte Baden-Baden (A5), and Aire de Réguisheim (A35).
• Family stops: at Raststätte Spessart-Nord, children's play areas and baby changing rooms.
• Pet-friendly stops: Autohof Birkenhof near Bad Kreuznach (off-route) has a dog park; many German rest stops allow dogs inside.

Hidden off-route spot: Burg Guttenberg on the Neckar, reachable via a 15-minute detour from the A6. It boasts the German Knight Museum. For local culture, visit the town of Freiburg's Münsterplatz if you have two spare hours. Things to do between Würzburg and Mulhouse include tasting wine in the Ortenau region or exploring a Roman museum in the Saalburg fort near Bad Homburg (though south of Frankfurt).

The route unfolds through three distinct landscapes: the undulating Spessart forest, the Rhine plain, and the foothills of the Black Forest. The Spessart is Germany's largest contiguous beech forest, with hiking trails near Rothenbuch. The Rhine plain opens after Darmstadt, offering views of the Odenwald to the east. South of Freiburg, the Kaiserstuhl volcanic vineyards dot the horizon.

• Spessart Nature Park: Stops at Schloss Mespelbrunn or the historic town of Miltenberg (off-route, but worth the detour).
• Rhine Valley: The view from the A5 near Rastatt includes the Black Forest silhouettes.
• Alsace Vineyards: Just before Mulhouse, the A35 passes through the Florival valley, whose vines produce Pinot Gris.

Local commerce thrives at farm stands along the B 8 near Kitzingen, where you can buy Franconian Silvaner wines. In Alsace, market halls in Colmar offer tarte flambée and Munster cheese. The route is also a shopping corridor: outlets in Roppenheim (Les Halles) are just 20 km off the A35.