| Cities | Distance |
|---|---|
| Sierre to Olivares | 931.72 mi (1,499.46 km) |
| Sierre to Olivenza | 910.15 mi (1,464.74 km) |
| Sierre to Olot | 378.38 mi (608.94 km) |
| Sierre to Onate | 538.01 mi (865.84 km) |
| Sierre to Onda | 587.90 mi (946.14 km) |
| Sierre to Onteniente | 661.50 mi (1,064.58 km) |
| Sierre to Orihuela | 713.65 mi (1,148.51 km) |
| Sierre to Osuna | 901.40 mi (1,450.67 km) |
| Sierre to Ourense | 807.28 mi (1,299.19 km) |
| Sierre to Oviedo | 685.32 mi (1,102.92 km) |
| Sierre to Paiporta | 621.94 mi (1,000.91 km) |
| Sierre to Pajara | 1,706.70 mi (2,746.66 km) |
| Sierre to Palafolls | 398.46 mi (641.27 km) |
| Sierre to Palafrugell | 372.29 mi (599.14 km) |
| Sierre to Palamos | 377.38 mi (607.33 km) |