| Altensteig to Olivenza | 1,037.86 mi (1,670.28 km) |
| Altensteig to Olot | 532.41 mi (856.83 km) |
| Altensteig to Onate | 653.91 mi (1,052.36 km) |
| Altensteig to Onda | 738.88 mi (1,189.11 km) |
| Altensteig to Onteniente | 815.30 mi (1,312.10 km) |
| Altensteig to Orihuela | 868.44 mi (1,397.62 km) |
| Altensteig to Osuna | 1,043.83 mi (1,679.88 km) |
| Altensteig to Ourense | 904.74 mi (1,456.04 km) |
| Altensteig to Oviedo | 780.46 mi (1,256.04 km) |
| Altensteig to Paiporta | 774.38 mi (1,246.25 km) |
| Altensteig to Pajara | 1,846.65 mi (2,971.90 km) |
| Altensteig to Palafolls | 556.26 mi (895.21 km) |
| Altensteig to Palafrugell | 531.07 mi (854.67 km) |
| Altensteig to Palamos | 536.26 mi (863.03 km) |
| Altensteig to Palencia | 781.66 mi (1,257.96 km) |
