Distance from Romanshorn to Boulogne-sur-Mer
The shortest distance (air line) between Romanshorn and Boulogne-sur-Mer is 412.22 mi (663.41 km).
How far is Romanshorn from Boulogne-sur-Mer
Romanshorn is located in Thurgau, Switzerland within 47° 33' 48.6" N 9° 21' 23.04" E (47.5635, 9.3564) coordinates. The local time in Romanshorn is 19:28 (09.08.2025)
Boulogne-sur-Mer is located in Pas-de-Calais, France within 50° 43' 35.04" N 1° 36' 52.92" E (50.7264, 1.6147) coordinates. The local time in Boulogne-sur-Mer is 19:28 (09.08.2025)
The calculated flying distance from Boulogne-sur-Mer to Boulogne-sur-Mer is 412.22 miles which is equal to 663.41 km.
Romanshorn, Thurgau, Switzerland
Related Distances from Romanshorn
Boulogne-sur-Mer, Pas-de-Calais, France