| Gaffney to Smolyan | 5,384.82 mi (8,666.03 km) |
| Gaffney to Sofia | 5,282.66 mi (8,501.62 km) |
| Gaffney to Sopot | 5,343.04 mi (8,598.79 km) |
| Gaffney to Sozopol | 5,472.28 mi (8,806.79 km) |
| Gaffney to Sredets | 5,455.02 mi (8,779.01 km) |
| Gaffney to Stamboliyski | 5,355.33 mi (8,618.57 km) |
| Gaffney to Stara Zagora | 5,388.72 mi (8,672.31 km) |
| Gaffney to Svilengrad | 5,439.03 mi (8,753.27 km) |
| Gaffney to Svishtov | 5,327.62 mi (8,573.98 km) |
| Gaffney to Targovishte | 5,392.29 mi (8,678.05 km) |
| Gaffney to Teteven | 5,312.38 mi (8,549.45 km) |
| Gaffney to Troyan | 5,332.12 mi (8,581.21 km) |
| Gaffney to Tryavna | 5,364.64 mi (8,633.55 km) |
| Gaffney to Tutrakan | 5,360.10 mi (8,626.24 km) |
| Gaffney to Varna | 5,446.74 mi (8,765.69 km) |
