| Cities | Distance |
|---|---|
| Romanshorn to Orbetello | 365.44 mi (588.12 km) |
| Romanshorn to Oria | 637.40 mi (1,025.79 km) |
| Romanshorn to Oristano | 530.46 mi (853.70 km) |
| Romanshorn to Orta Nova | 532.24 mi (856.56 km) |
| Romanshorn to Orte | 382.32 mi (615.28 km) |
| Romanshorn to Ortona | 436.33 mi (702.20 km) |
| Romanshorn to Orvieto | 360.61 mi (580.35 km) |
| Romanshorn to Orzinuovi | 151.98 mi (244.59 km) |
| Romanshorn to Osimo | 345.41 mi (555.88 km) |
| Romanshorn to Ospitaletto | 142.87 mi (229.93 km) |
| Romanshorn to Ostuni | 623.03 mi (1,002.68 km) |
| Romanshorn to Ottaviano | 528.39 mi (850.36 km) |
| Romanshorn to Ovada | 204.89 mi (329.74 km) |
| Romanshorn to Ozieri | 482.49 mi (776.50 km) |
| Romanshorn to Paceco | 681.29 mi (1,096.44 km) |