| Aurich to Oria | 1,013.62 mi (1,631.26 km) |
| Aurich to Oristano | 938.73 mi (1,510.74 km) |
| Aurich to Orta Nova | 921.43 mi (1,482.90 km) |
| Aurich to Orte | 793.40 mi (1,276.86 km) |
| Aurich to Ortona | 831.55 mi (1,338.26 km) |
| Aurich to Orvieto | 772.62 mi (1,243.41 km) |
| Aurich to Orzinuovi | 568.35 mi (914.67 km) |
| Aurich to Osimo | 742.16 mi (1,194.40 km) |
| Aurich to Ospitaletto | 559.05 mi (899.71 km) |
| Aurich to Ostuni | 997.87 mi (1,605.92 km) |
| Aurich to Ottaviano | 930.81 mi (1,497.99 km) |
| Aurich to Ovada | 612.49 mi (985.71 km) |
| Aurich to Ozieri | 893.19 mi (1,437.45 km) |
| Aurich to Paceco | 1,096.97 mi (1,765.40 km) |
| Aurich to Pachino | 1,214.11 mi (1,953.92 km) |
