| Salcea to Olivenza | 1,780.20 mi (2,864.96 km) |
| Salcea to Olot | 1,222.27 mi (1,967.06 km) |
| Salcea to Onate | 1,425.09 mi (2,293.47 km) |
| Salcea to Onda | 1,421.47 mi (2,287.64 km) |
| Salcea to Onteniente | 1,478.72 mi (2,379.77 km) |
| Salcea to Orihuela | 1,522.32 mi (2,449.93 km) |
| Salcea to Osuna | 1,742.99 mi (2,805.08 km) |
| Salcea to Ourense | 1,697.84 mi (2,732.41 km) |
| Salcea to Oviedo | 1,576.00 mi (2,536.32 km) |
| Salcea to Paiporta | 1,447.69 mi (2,329.84 km) |
| Salcea to Pajara | 2,534.53 mi (4,078.93 km) |
| Salcea to Palafolls | 1,226.34 mi (1,973.61 km) |
| Salcea to Palafrugell | 1,199.58 mi (1,930.54 km) |
| Salcea to Palamos | 1,203.41 mi (1,936.70 km) |
| Salcea to Palencia | 1,552.13 mi (2,497.91 km) |
