Bologna to Turin by high-speed train in about 2 hours over 353 km. Frequent daily departures with a range of ticket options.

Berlin to Munich by non-stop ICE in as little as 3h46m over 383 miles. Tickets from $10.99 when booked early.

Barcelona to Girona by high-speed AVE or Avant in 38–57 minutes. Regional trains are slower. Girona is a popular day-trip destination from Barcelona.

Barcelona to Paris by TGV in ~6h45m over 667 miles (1,073 km). Departs Barcelona Sants and arrives at Paris Gare de Lyon.

Paris to Marseille by TGV INOUI in as little as 3h04m. Trains beat flying on door-to-door time; buses from €20 also serve the route.

Oslo to Stockholm in 5h24m on SJ3000 high-speed trains or just under 6 hours on Intercity. Tickets start from $70 with discounts for students and seniors.