| Siverek to Olivares | 2,464.38 mi (3,966.03 km) |
| Siverek to Olivenza | 2,493.10 mi (4,012.26 km) |
| Siverek to Olot | 1,958.61 mi (3,152.07 km) |
| Siverek to Onate | 2,203.16 mi (3,545.64 km) |
| Siverek to Onda | 2,117.63 mi (3,407.99 km) |
| Siverek to Onteniente | 2,149.10 mi (3,458.64 km) |
| Siverek to Orihuela | 2,177.22 mi (3,503.90 km) |
| Siverek to Osuna | 2,411.83 mi (3,881.47 km) |
| Siverek to Ourense | 2,483.52 mi (3,996.83 km) |
| Siverek to Oviedo | 2,372.80 mi (3,818.66 km) |
| Siverek to Paiporta | 2,131.67 mi (3,430.60 km) |
| Siverek to Pajara | 3,118.52 mi (5,018.78 km) |
| Siverek to Palafolls | 1,947.58 mi (3,134.32 km) |
| Siverek to Palafrugell | 1,925.21 mi (3,098.32 km) |
| Siverek to Palamos | 1,927.28 mi (3,101.65 km) |
