| Sigmaringen to Olivenza | 1,041.88 mi (1,676.74 km) |
| Sigmaringen to Olot | 522.98 mi (841.65 km) |
| Sigmaringen to Onate | 661.22 mi (1,064.14 km) |
| Sigmaringen to Onda | 731.62 mi (1,177.42 km) |
| Sigmaringen to Onteniente | 806.40 mi (1,297.77 km) |
| Sigmaringen to Orihuela | 858.93 mi (1,382.31 km) |
| Sigmaringen to Osuna | 1,041.44 mi (1,676.03 km) |
| Sigmaringen to Ourense | 918.74 mi (1,478.57 km) |
| Sigmaringen to Oviedo | 794.76 mi (1,279.05 km) |
| Sigmaringen to Paiporta | 766.29 mi (1,233.22 km) |
| Sigmaringen to Pajara | 1,845.92 mi (2,970.72 km) |
| Sigmaringen to Palafolls | 544.38 mi (876.10 km) |
| Sigmaringen to Palafrugell | 518.43 mi (834.34 km) |
| Sigmaringen to Palamos | 523.55 mi (842.57 km) |
| Sigmaringen to Palencia | 789.66 mi (1,270.84 km) |
