| Ferrol to Smolyan | 1,670.90 mi (2,689.05 km) |
| Ferrol to Sofia | 1,583.87 mi (2,549.00 km) |
| Ferrol to Sopot | 1,654.91 mi (2,663.32 km) |
| Ferrol to Sozopol | 1,804.53 mi (2,904.11 km) |
| Ferrol to Sredets | 1,781.02 mi (2,866.27 km) |
| Ferrol to Stamboliyski | 1,652.75 mi (2,659.84 km) |
| Ferrol to Stara Zagora | 1,702.97 mi (2,740.67 km) |
| Ferrol to Svilengrad | 1,742.03 mi (2,803.53 km) |
| Ferrol to Svishtov | 1,670.12 mi (2,687.80 km) |
| Ferrol to Targovishte | 1,735.93 mi (2,793.70 km) |
| Ferrol to Teteven | 1,626.89 mi (2,618.23 km) |
| Ferrol to Troyan | 1,649.62 mi (2,654.80 km) |
| Ferrol to Tryavna | 1,688.52 mi (2,717.41 km) |
| Ferrol to Tutrakan | 1,726.23 mi (2,778.09 km) |
| Ferrol to Varna | 1,801.86 mi (2,899.82 km) |
