| Aurich to Olivenza | 1,232.62 mi (1,983.70 km) |
| Aurich to Olot | 813.18 mi (1,308.69 km) |
| Aurich to Onate | 851.21 mi (1,369.89 km) |
| Aurich to Onda | 1,001.51 mi (1,611.78 km) |
| Aurich to Onteniente | 1,082.06 mi (1,741.41 km) |
| Aurich to Orihuela | 1,136.14 mi (1,828.45 km) |
| Aurich to Osuna | 1,273.22 mi (2,049.05 km) |
| Aurich to Ourense | 1,043.12 mi (1,678.73 km) |
| Aurich to Oviedo | 925.24 mi (1,489.03 km) |
| Aurich to Paiporta | 1,039.15 mi (1,672.35 km) |
| Aurich to Pajara | 2,051.68 mi (3,301.87 km) |
| Aurich to Palafolls | 844.30 mi (1,358.76 km) |
| Aurich to Palafrugell | 822.81 mi (1,324.19 km) |
| Aurich to Palamos | 828.02 mi (1,332.57 km) |
| Aurich to Palencia | 965.74 mi (1,554.21 km) |
