| Strood to Smolyan | 1,327.64 mi (2,136.62 km) |
| Strood to Sofia | 1,224.79 mi (1,971.12 km) |
| Strood to Sopot | 1,284.59 mi (2,067.36 km) |
| Strood to Sozopol | 1,415.75 mi (2,278.42 km) |
| Strood to Sredets | 1,397.67 mi (2,249.33 km) |
| Strood to Stamboliyski | 1,297.32 mi (2,087.84 km) |
| Strood to Stara Zagora | 1,330.35 mi (2,140.99 km) |
| Strood to Svilengrad | 1,380.59 mi (2,221.84 km) |
| Strood to Svishtov | 1,270.95 mi (2,045.40 km) |
| Strood to Targovishte | 1,336.45 mi (2,150.81 km) |
| Strood to Teteven | 1,253.93 mi (2,018.01 km) |
| Strood to Troyan | 1,273.72 mi (2,049.85 km) |
| Strood to Tryavna | 1,306.59 mi (2,102.76 km) |
| Strood to Tutrakan | 1,307.72 mi (2,104.56 km) |
| Strood to Varna | 1,393.54 mi (2,242.69 km) |
