| Palomares del Rio to Smolyan | 1,657.78 mi (2,667.93 km) |
| Palomares del Rio to Sofia | 1,590.03 mi (2,558.91 km) |
| Palomares del Rio to Sopot | 1,661.89 mi (2,674.55 km) |
| Palomares del Rio to Sozopol | 1,811.74 mi (2,915.72 km) |
| Palomares del Rio to Sredets | 1,786.23 mi (2,874.67 km) |
| Palomares del Rio to Stamboliyski | 1,649.66 mi (2,654.88 km) |
| Palomares del Rio to Stara Zagora | 1,707.21 mi (2,747.49 km) |
| Palomares del Rio to Svilengrad | 1,735.13 mi (2,792.42 km) |
| Palomares del Rio to Svishtov | 1,695.85 mi (2,729.21 km) |
| Palomares del Rio to Targovishte | 1,756.23 mi (2,826.38 km) |
| Palomares del Rio to Teteven | 1,638.33 mi (2,636.64 km) |
| Palomares del Rio to Troyan | 1,660.95 mi (2,673.04 km) |
| Palomares del Rio to Tryavna | 1,700.52 mi (2,736.72 km) |
| Palomares del Rio to Tutrakan | 1,760.93 mi (2,833.94 km) |
| Palomares del Rio to Varna | 1,823.25 mi (2,934.23 km) |
