| Rapperswil-Jona to Oerlinghausen | 328.26 mi (528.29 km) |
| Rapperswil-Jona to Oestrich-Winkel | 195.89 mi (315.25 km) |
| Rapperswil-Jona to Offenburg | 95.59 mi (153.83 km) |
| Rapperswil-Jona to Oftersheim | 149.20 mi (240.12 km) |
| Rapperswil-Jona to Ohrdruf | 264.17 mi (425.14 km) |
| Rapperswil-Jona to Ohringen | 140.60 mi (226.27 km) |
| Rapperswil-Jona to Olbernhau | 314.26 mi (505.75 km) |
| Rapperswil-Jona to Olching | 134.62 mi (216.65 km) |
| Rapperswil-Jona to Oldenburg | 410.39 mi (660.46 km) |
| Rapperswil-Jona to Oldenburg in Holstein | 497.62 mi (800.84 km) |
| Rapperswil-Jona to Olfen | 317.49 mi (510.96 km) |
| Rapperswil-Jona to Olpe | 266.29 mi (428.55 km) |
| Rapperswil-Jona to Olsberg | 285.98 mi (460.24 km) |
| Rapperswil-Jona to Oranienburg | 429.87 mi (691.81 km) |
| Rapperswil-Jona to Ortenberg | 217.16 mi (349.49 km) |
