| Thorne to Oerlinghausen | 417.50 mi (671.91 km) |
| Thorne to Oestrich-Winkel | 456.26 mi (734.28 km) |
| Thorne to Offenburg | 524.12 mi (843.48 km) |
| Thorne to Oftersheim | 503.59 mi (810.45 km) |
| Thorne to Ohrdruf | 530.09 mi (853.10 km) |
| Thorne to Ohringen | 543.19 mi (874.17 km) |
| Thorne to Olbernhau | 637.93 mi (1,026.65 km) |
| Thorne to Olching | 651.04 mi (1,047.75 km) |
| Thorne to Oldenburg | 379.16 mi (610.19 km) |
| Thorne to Oldenburg in Holstein | 483.23 mi (777.68 km) |
| Thorne to Olfen | 372.92 mi (600.16 km) |
| Thorne to Olpe | 411.90 mi (662.89 km) |
| Thorne to Olsberg | 426.45 mi (686.30 km) |
| Thorne to Oranienburg | 589.73 mi (949.08 km) |
| Thorne to Ortenberg | 481.16 mi (774.35 km) |
