| Tonisvorst to Oerlinghausen | 103.32 mi (166.28 km) |
| Tonisvorst to Oestrich-Winkel | 112.62 mi (181.24 km) |
| Tonisvorst to Offenburg | 207.35 mi (333.69 km) |
| Tonisvorst to Oftersheim | 163.27 mi (262.76 km) |
| Tonisvorst to Ohrdruf | 187.15 mi (301.18 km) |
| Tonisvorst to Ohringen | 197.74 mi (318.23 km) |
| Tonisvorst to Olbernhau | 300.76 mi (484.03 km) |
| Tonisvorst to Olching | 304.58 mi (490.18 km) |
| Tonisvorst to Oldenburg | 145.49 mi (234.14 km) |
| Tonisvorst to Oldenburg in Holstein | 275.56 mi (443.47 km) |
| Tonisvorst to Olfen | 47.04 mi (75.71 km) |
| Tonisvorst to Olpe | 61.75 mi (99.37 km) |
| Tonisvorst to Olsberg | 85.93 mi (138.29 km) |
| Tonisvorst to Oranienburg | 303.12 mi (487.83 km) |
| Tonisvorst to Ortenberg | 130.16 mi (209.47 km) |
