| Waipio to Smolyan | 8,080.66 mi (13,004.56 km) |
| Waipio to Sofia | 8,006.12 mi (12,884.60 km) |
| Waipio to Sopot | 8,006.92 mi (12,885.89 km) |
| Waipio to Sozopol | 8,011.54 mi (12,893.33 km) |
| Waipio to Sredets | 8,018.64 mi (12,904.75 km) |
| Waipio to Stamboliyski | 8,043.11 mi (12,944.13 km) |
| Waipio to Stara Zagora | 8,019.22 mi (12,905.69 km) |
| Waipio to Svilengrad | 8,063.16 mi (12,976.40 km) |
| Waipio to Svishtov | 7,938.57 mi (12,775.89 km) |
| Waipio to Targovishte | 7,959.45 mi (12,809.49 km) |
| Waipio to Teteven | 7,989.62 mi (12,858.05 km) |
| Waipio to Troyan | 7,990.90 mi (12,860.11 km) |
| Waipio to Tryavna | 7,989.81 mi (12,858.36 km) |
| Waipio to Tutrakan | 7,904.22 mi (12,720.62 km) |
| Waipio to Varna | 7,955.42 mi (12,803.02 km) |
