| Wath upon Dearne to Oerlinghausen | 431.49 mi (694.41 km) |
| Wath upon Dearne to Oestrich-Winkel | 466.54 mi (750.83 km) |
| Wath upon Dearne to Offenburg | 531.93 mi (856.06 km) |
| Wath upon Dearne to Oftersheim | 513.32 mi (826.11 km) |
| Wath upon Dearne to Ohrdruf | 543.19 mi (874.17 km) |
| Wath upon Dearne to Ohringen | 553.34 mi (890.52 km) |
| Wath upon Dearne to Olbernhau | 651.71 mi (1,048.82 km) |
| Wath upon Dearne to Olching | 661.13 mi (1,063.98 km) |
| Wath upon Dearne to Oldenburg | 394.77 mi (635.33 km) |
| Wath upon Dearne to Oldenburg in Holstein | 500.00 mi (804.68 km) |
| Wath upon Dearne to Olfen | 385.94 mi (621.11 km) |
| Wath upon Dearne to Olpe | 423.86 mi (682.14 km) |
| Wath upon Dearne to Olsberg | 439.35 mi (707.06 km) |
| Wath upon Dearne to Oranienburg | 605.47 mi (974.41 km) |
| Wath upon Dearne to Ortenberg | 492.75 mi (793.00 km) |
