| Ketsch to Smolyan | 946.94 mi (1,523.95 km) |
| Ketsch to Sofia | 843.81 mi (1,357.97 km) |
| Ketsch to Sopot | 903.28 mi (1,453.68 km) |
| Ketsch to Sozopol | 1,035.20 mi (1,665.99 km) |
| Ketsch to Sredets | 1,016.79 mi (1,636.37 km) |
| Ketsch to Stamboliyski | 916.24 mi (1,474.54 km) |
| Ketsch to Stara Zagora | 949.06 mi (1,527.36 km) |
| Ketsch to Svilengrad | 999.27 mi (1,608.18 km) |
| Ketsch to Svishtov | 890.46 mi (1,433.06 km) |
| Ketsch to Targovishte | 956.28 mi (1,538.99 km) |
| Ketsch to Teteven | 872.62 mi (1,404.34 km) |
| Ketsch to Troyan | 892.41 mi (1,436.20 km) |
| Ketsch to Tryavna | 925.44 mi (1,489.36 km) |
| Ketsch to Tutrakan | 929.18 mi (1,495.37 km) |
| Ketsch to Varna | 1,014.44 mi (1,632.58 km) |
