Romanshorn is a locality located 159.5 km west-southwest from Bern in Thurgau, Switzerland. The population of Romanshorn is 11,167 people. Amriswil, Arbon, Gossau are located close to Romanshorn. You can find Romanshorn on any map using the following decimal coordinates: 47.5635 (latitude), 9.3564 (longitude).