| Cities | Distance |
|---|---|
| Calw to Smolyan | 918.22 mi (1,477.73 km) |
| Calw to Sofia | 815.81 mi (1,312.92 km) |
| Calw to Sopot | 876.99 mi (1,411.38 km) |
| Calw to Sozopol | 1,011.80 mi (1,628.33 km) |
| Calw to Sredets | 992.69 mi (1,597.58 km) |
| Calw to Stamboliyski | 888.49 mi (1,429.88 km) |
| Calw to Stara Zagora | 923.36 mi (1,486.01 km) |
| Calw to Svilengrad | 972.76 mi (1,565.50 km) |
| Calw to Svishtov | 867.36 mi (1,395.89 km) |
| Calw to Targovishte | 933.63 mi (1,502.54 km) |
| Calw to Teteven | 846.38 mi (1,362.11 km) |
| Calw to Troyan | 866.66 mi (1,394.75 km) |
| Calw to Tryavna | 900.60 mi (1,449.37 km) |
| Calw to Tutrakan | 908.67 mi (1,462.36 km) |
| Calw to Varna | 993.14 mi (1,598.30 km) |