| Zierikzee to Smolyan | 1,200.04 mi (1,931.27 km) |
| Zierikzee to Sofia | 1,096.30 mi (1,764.32 km) |
| Zierikzee to Sopot | 1,153.46 mi (1,856.32 km) |
| Zierikzee to Sozopol | 1,280.48 mi (2,060.73 km) |
| Zierikzee to Sredets | 1,263.32 mi (2,033.11 km) |
| Zierikzee to Stamboliyski | 1,168.28 mi (1,880.16 km) |
| Zierikzee to Stara Zagora | 1,198.28 mi (1,928.45 km) |
| Zierikzee to Svilengrad | 1,249.53 mi (2,010.92 km) |
| Zierikzee to Svishtov | 1,135.82 mi (1,827.93 km) |
| Zierikzee to Targovishte | 1,200.55 mi (1,932.10 km) |
| Zierikzee to Teteven | 1,122.83 mi (1,807.03 km) |
| Zierikzee to Troyan | 1,141.90 mi (1,837.71 km) |
| Zierikzee to Tryavna | 1,173.47 mi (1,888.52 km) |
| Zierikzee to Tutrakan | 1,169.62 mi (1,882.31 km) |
| Zierikzee to Varna | 1,255.95 mi (2,021.25 km) |
