| Romanshorn to Bougival | 344.07 mi (553.73 km) |
| Romanshorn to Bouguenais | 513.95 mi (827.13 km) |
| Romanshorn to Boulogne-Billancourt | 339.13 mi (545.77 km) |
| Romanshorn to Boulogne-sur-Mer | 412.22 mi (663.41 km) |
| Romanshorn to Bourg-de-Peage | 269.57 mi (433.84 km) |
| Romanshorn to Bourg-en-Bresse | 216.28 mi (348.07 km) |
| Romanshorn to Bourg-la-Reine | 335.02 mi (539.16 km) |
| Romanshorn to Bourg-les-Valence | 279.37 mi (449.60 km) |
| Romanshorn to Bourges | 327.54 mi (527.12 km) |
| Romanshorn to Bourgoin-Jallieu | 237.16 mi (381.67 km) |
| Romanshorn to Bressuire | 464.53 mi (747.60 km) |
| Romanshorn to Brest | 642.10 mi (1,033.36 km) |
| Romanshorn to Bretigny-sur-Orge | 333.23 mi (536.29 km) |
| Romanshorn to Breuillet | 338.78 mi (545.21 km) |
| Romanshorn to Briancon | 225.56 mi (363.01 km) |
