| Herzberg am Harz to Olivenza | 1,228.74 mi (1,977.46 km) |
| Herzberg am Harz to Olot | 751.28 mi (1,209.06 km) |
| Herzberg am Harz to Onate | 841.39 mi (1,354.09 km) |
| Herzberg am Harz to Onda | 953.74 mi (1,534.90 km) |
| Herzberg am Harz to Onteniente | 1,031.96 mi (1,660.77 km) |
| Herzberg am Harz to Orihuela | 1,085.66 mi (1,747.20 km) |
| Herzberg am Harz to Osuna | 1,248.88 mi (2,009.87 km) |
| Herzberg am Harz to Ourense | 1,067.78 mi (1,718.43 km) |
| Herzberg am Harz to Oviedo | 944.83 mi (1,520.56 km) |
| Herzberg am Harz to Paiporta | 990.17 mi (1,593.53 km) |
| Herzberg am Harz to Pajara | 2,045.36 mi (3,291.69 km) |
| Herzberg am Harz to Palafolls | 777.35 mi (1,251.03 km) |
| Herzberg am Harz to Palafrugell | 752.93 mi (1,211.73 km) |
| Herzberg am Harz to Palamos | 758.17 mi (1,220.15 km) |
| Herzberg am Harz to Palencia | 965.06 mi (1,553.12 km) |
