| Whitefish Bay to Smolyan | 5,243.58 mi (8,438.73 km) |
| Whitefish Bay to Sofia | 5,139.35 mi (8,270.99 km) |
| Whitefish Bay to Sopot | 5,192.44 mi (8,356.42 km) |
| Whitefish Bay to Sozopol | 5,307.28 mi (8,541.25 km) |
| Whitefish Bay to Sredets | 5,293.38 mi (8,518.86 km) |
| Whitefish Bay to Stamboliyski | 5,210.32 mi (8,385.21 km) |
| Whitefish Bay to Stara Zagora | 5,235.00 mi (8,424.92 km) |
| Whitefish Bay to Svilengrad | 5,287.83 mi (8,509.94 km) |
| Whitefish Bay to Svishtov | 5,165.54 mi (8,313.13 km) |
| Whitefish Bay to Targovishte | 5,226.59 mi (8,411.39 km) |
| Whitefish Bay to Teteven | 5,162.13 mi (8,307.64 km) |
| Whitefish Bay to Troyan | 5,179.71 mi (8,335.93 km) |
| Whitefish Bay to Tryavna | 5,208.09 mi (8,381.61 km) |
| Whitefish Bay to Tutrakan | 5,187.55 mi (8,348.56 km) |
| Whitefish Bay to Varna | 5,273.99 mi (8,487.67 km) |
