| Hormigueros to Smolyan | 5,485.39 mi (8,827.87 km) |
| Hormigueros to Sofia | 5,398.24 mi (8,687.63 km) |
| Hormigueros to Sopot | 5,469.00 mi (8,801.50 km) |
| Hormigueros to Sozopol | 5,617.94 mi (9,041.19 km) |
| Hormigueros to Sredets | 5,594.78 mi (9,003.93 km) |
| Hormigueros to Stamboliyski | 5,467.38 mi (8,798.89 km) |
| Hormigueros to Stara Zagora | 5,517.13 mi (8,878.96 km) |
| Hormigueros to Svilengrad | 5,556.67 mi (8,942.60 km) |
| Hormigueros to Svishtov | 5,481.11 mi (8,821.00 km) |
| Hormigueros to Targovishte | 5,547.50 mi (8,927.84 km) |
| Hormigueros to Teteven | 5,440.64 mi (8,755.87 km) |
| Hormigueros to Troyan | 5,463.27 mi (8,792.28 km) |
| Hormigueros to Tryavna | 5,501.88 mi (8,854.42 km) |
| Hormigueros to Tutrakan | 5,534.08 mi (8,906.24 km) |
| Hormigueros to Varna | 5,612.58 mi (9,032.57 km) |
