| Syston to Olivares | 1,083.89 mi (1,744.36 km) |
| Syston to Olivenza | 1,010.06 mi (1,625.53 km) |
| Syston to Olot | 745.36 mi (1,199.54 km) |
| Syston to Onate | 670.74 mi (1,079.45 km) |
| Syston to Onda | 880.92 mi (1,417.71 km) |
| Syston to Onteniente | 959.13 mi (1,543.57 km) |
| Syston to Orihuela | 1,009.78 mi (1,625.08 km) |
| Syston to Osuna | 1,086.13 mi (1,747.95 km) |
| Syston to Ourense | 782.05 mi (1,258.59 km) |
| Syston to Oviedo | 681.47 mi (1,096.72 km) |
| Syston to Paiporta | 917.56 mi (1,476.67 km) |
| Syston to Pajara | 1,809.57 mi (2,912.23 km) |
| Syston to Palafolls | 782.80 mi (1,259.80 km) |
| Syston to Palafrugell | 770.72 mi (1,240.35 km) |
| Syston to Palamos | 775.13 mi (1,247.45 km) |
