| Willowick to Smolyan | 5,073.13 mi (8,164.41 km) |
| Willowick to Sofia | 4,969.54 mi (7,997.70 km) |
| Willowick to Sopot | 5,026.32 mi (8,089.08 km) |
| Willowick to Sozopol | 5,148.58 mi (8,285.84 km) |
| Willowick to Sredets | 5,132.98 mi (8,260.73 km) |
| Willowick to Stamboliyski | 5,041.57 mi (8,113.62 km) |
| Willowick to Stara Zagora | 5,070.54 mi (8,160.25 km) |
| Willowick to Svilengrad | 5,122.32 mi (8,243.58 km) |
| Willowick to Svishtov | 5,004.93 mi (8,054.66 km) |
| Willowick to Targovishte | 5,067.97 mi (8,156.11 km) |
| Willowick to Teteven | 4,995.74 mi (8,039.87 km) |
| Willowick to Troyan | 5,014.42 mi (8,069.94 km) |
| Willowick to Tryavna | 5,044.92 mi (8,119.01 km) |
| Willowick to Tutrakan | 5,032.19 mi (8,098.53 km) |
| Willowick to Varna | 5,119.02 mi (8,238.27 km) |
