| Oppeano to Oerlinghausen | 474.66 mi (763.90 km) |
| Oppeano to Oestrich-Winkel | 356.86 mi (574.31 km) |
| Oppeano to Offenburg | 267.20 mi (430.02 km) |
| Oppeano to Oftersheim | 306.40 mi (493.10 km) |
| Oppeano to Ohrdruf | 382.52 mi (615.60 km) |
| Oppeano to Ohringen | 280.77 mi (451.86 km) |
| Oppeano to Olbernhau | 383.86 mi (617.76 km) |
| Oppeano to Olching | 200.47 mi (322.63 km) |
| Oppeano to Oldenburg | 558.15 mi (898.26 km) |
| Oppeano to Oldenburg in Holstein | 621.98 mi (1,000.98 km) |
| Oppeano to Olfen | 476.09 mi (766.19 km) |
| Oppeano to Olpe | 423.98 mi (682.32 km) |
| Oppeano to Olsberg | 435.95 mi (701.59 km) |
| Oppeano to Oranienburg | 523.33 mi (842.21 km) |
| Oppeano to Ortenberg | 362.96 mi (584.13 km) |
