| Sarnen to Oerlinghausen | 350.85 mi (564.64 km) |
| Sarnen to Oestrich-Winkel | 214.75 mi (345.61 km) |
| Sarnen to Offenburg | 109.49 mi (176.20 km) |
| Sarnen to Oftersheim | 171.68 mi (276.30 km) |
| Sarnen to Ohrdruf | 294.22 mi (473.49 km) |
| Sarnen to Ohringen | 169.39 mi (272.61 km) |
| Sarnen to Olbernhau | 348.44 mi (560.76 km) |
| Sarnen to Olching | 169.18 mi (272.27 km) |
| Sarnen to Oldenburg | 431.68 mi (694.73 km) |
| Sarnen to Oldenburg in Holstein | 524.38 mi (843.91 km) |
| Sarnen to Olfen | 335.32 mi (539.65 km) |
| Sarnen to Olpe | 285.32 mi (459.18 km) |
| Sarnen to Olsberg | 307.92 mi (495.55 km) |
| Sarnen to Oranienburg | 461.62 mi (742.90 km) |
| Sarnen to Ortenberg | 241.88 mi (389.27 km) |
