| Darmstadt to Olivenza | 1,093.32 mi (1,759.53 km) |
| Darmstadt to Olot | 607.57 mi (977.79 km) |
| Darmstadt to Onate | 706.44 mi (1,136.90 km) |
| Darmstadt to Onda | 810.59 mi (1,304.51 km) |
| Darmstadt to Onteniente | 888.54 mi (1,429.97 km) |
| Darmstadt to Orihuela | 942.18 mi (1,516.29 km) |
| Darmstadt to Osuna | 1,108.43 mi (1,783.84 km) |
| Darmstadt to Ourense | 943.95 mi (1,519.14 km) |
| Darmstadt to Oviedo | 819.95 mi (1,319.58 km) |
| Darmstadt to Paiporta | 846.88 mi (1,362.91 km) |
| Darmstadt to Pajara | 1,907.54 mi (3,069.89 km) |
| Darmstadt to Palafolls | 633.67 mi (1,019.79 km) |
| Darmstadt to Palafrugell | 609.32 mi (980.61 km) |
| Darmstadt to Palamos | 614.56 mi (989.04 km) |
| Darmstadt to Palencia | 832.09 mi (1,339.12 km) |
