| Nailsea to Smolyan | 1,460.36 mi (2,350.23 km) |
| Nailsea to Sofia | 1,358.13 mi (2,185.70 km) |
| Nailsea to Sopot | 1,419.13 mi (2,283.87 km) |
| Nailsea to Sozopol | 1,552.05 mi (2,497.79 km) |
| Nailsea to Sredets | 1,533.58 mi (2,468.07 km) |
| Nailsea to Stamboliyski | 1,430.82 mi (2,302.69 km) |
| Nailsea to Stara Zagora | 1,465.28 mi (2,358.14 km) |
| Nailsea to Svilengrad | 1,514.97 mi (2,438.11 km) |
| Nailsea to Svishtov | 1,407.32 mi (2,264.86 km) |
| Nailsea to Targovishte | 1,473.09 mi (2,370.71 km) |
| Nailsea to Teteven | 1,388.49 mi (2,234.56 km) |
| Nailsea to Troyan | 1,408.59 mi (2,266.90 km) |
| Nailsea to Tryavna | 1,442.03 mi (2,320.73 km) |
| Nailsea to Tutrakan | 1,445.26 mi (2,325.92 km) |
| Nailsea to Varna | 1,530.85 mi (2,463.66 km) |
