| Rapperswil-Jona to Orbetello | 350.29 mi (563.74 km) |
| Rapperswil-Jona to Oria | 638.19 mi (1,027.07 km) |
| Rapperswil-Jona to Oristano | 505.26 mi (813.14 km) |
| Rapperswil-Jona to Orta Nova | 530.35 mi (853.51 km) |
| Rapperswil-Jona to Orte | 372.17 mi (598.95 km) |
| Rapperswil-Jona to Ortona | 433.40 mi (697.48 km) |
| Rapperswil-Jona to Orvieto | 349.95 mi (563.20 km) |
| Rapperswil-Jona to Orzinuovi | 136.36 mi (219.45 km) |
| Rapperswil-Jona to Osimo | 343.22 mi (552.35 km) |
| Rapperswil-Jona to Ospitaletto | 129.47 mi (208.36 km) |
| Rapperswil-Jona to Ostuni | 624.28 mi (1,004.68 km) |
| Rapperswil-Jona to Ottaviano | 521.76 mi (839.70 km) |
| Rapperswil-Jona to Ovada | 178.28 mi (286.91 km) |
| Rapperswil-Jona to Ozieri | 458.31 mi (737.57 km) |
| Rapperswil-Jona to Paceco | 665.41 mi (1,070.87 km) |
