| Giesen to Olivenza | 1,238.68 mi (1,993.47 km) |
| Giesen to Olot | 773.40 mi (1,244.67 km) |
| Giesen to Onate | 851.71 mi (1,370.70 km) |
| Giesen to Onda | 973.28 mi (1,566.35 km) |
| Giesen to Onteniente | 1,052.22 mi (1,693.38 km) |
| Giesen to Orihuela | 1,106.12 mi (1,780.12 km) |
| Giesen to Osuna | 1,263.65 mi (2,033.65 km) |
| Giesen to Ourense | 1,070.53 mi (1,722.84 km) |
| Giesen to Oviedo | 948.46 mi (1,526.40 km) |
| Giesen to Paiporta | 1,010.08 mi (1,625.57 km) |
| Giesen to Pajara | 2,056.81 mi (3,310.12 km) |
| Giesen to Palafolls | 800.73 mi (1,288.64 km) |
| Giesen to Palafrugell | 776.88 mi (1,250.27 km) |
| Giesen to Palamos | 782.13 mi (1,258.72 km) |
| Giesen to Palencia | 973.62 mi (1,566.90 km) |
