| Oestrich-Winkel to Oria | 805.06 mi (1,295.61 km) |
| Oestrich-Winkel to Oristano | 698.04 mi (1,123.38 km) |
| Oestrich-Winkel to Orta Nova | 704.43 mi (1,133.67 km) |
| Oestrich-Winkel to Orte | 561.29 mi (903.31 km) |
| Oestrich-Winkel to Ortona | 610.32 mi (982.22 km) |
| Oestrich-Winkel to Orvieto | 539.73 mi (868.61 km) |
| Oestrich-Winkel to Orzinuovi | 330.27 mi (531.51 km) |
| Oestrich-Winkel to Osimo | 519.42 mi (835.92 km) |
| Oestrich-Winkel to Ospitaletto | 321.80 mi (517.89 km) |
| Oestrich-Winkel to Ostuni | 790.04 mi (1,271.45 km) |
| Oestrich-Winkel to Ottaviano | 705.29 mi (1,135.06 km) |
| Oestrich-Winkel to Ovada | 371.63 mi (598.08 km) |
| Oestrich-Winkel to Ozieri | 652.33 mi (1,049.82 km) |
| Oestrich-Winkel to Paceco | 860.11 mi (1,384.21 km) |
| Oestrich-Winkel to Pachino | 983.55 mi (1,582.87 km) |
