| Birkenau to Olivenza | 1,081.79 mi (1,740.97 km) |
| Birkenau to Olot | 590.59 mi (950.46 km) |
| Birkenau to Onate | 695.39 mi (1,119.13 km) |
| Birkenau to Onda | 794.65 mi (1,278.86 km) |
| Birkenau to Onteniente | 872.22 mi (1,403.69 km) |
| Birkenau to Orihuela | 925.73 mi (1,489.82 km) |
| Birkenau to Osuna | 1,094.50 mi (1,761.43 km) |
| Birkenau to Ourense | 936.46 mi (1,507.09 km) |
| Birkenau to Oviedo | 812.29 mi (1,307.25 km) |
| Birkenau to Paiporta | 830.74 mi (1,336.94 km) |
| Birkenau to Pajara | 1,894.76 mi (3,049.33 km) |
| Birkenau to Palafolls | 616.08 mi (991.49 km) |
| Birkenau to Palafrugell | 591.50 mi (951.92 km) |
| Birkenau to Palamos | 596.72 mi (960.33 km) |
| Birkenau to Palencia | 821.69 mi (1,322.38 km) |
