| Forney to Smolyan | 6,085.65 mi (9,793.91 km) |
| Forney to Sofia | 5,981.64 mi (9,626.51 km) |
| Forney to Sopot | 6,036.37 mi (9,714.59 km) |
| Forney to Sozopol | 6,154.12 mi (9,904.10 km) |
| Forney to Sredets | 6,139.60 mi (9,880.73 km) |
| Forney to Stamboliyski | 6,053.13 mi (9,741.58 km) |
| Forney to Stara Zagora | 6,079.64 mi (9,784.23 km) |
| Forney to Svilengrad | 6,132.08 mi (9,868.63 km) |
| Forney to Svishtov | 6,011.60 mi (9,674.73 km) |
| Forney to Targovishte | 6,073.40 mi (9,774.19 km) |
| Forney to Teteven | 6,005.92 mi (9,665.59 km) |
| Forney to Troyan | 6,023.97 mi (9,694.64 km) |
| Forney to Tryavna | 6,053.21 mi (9,741.70 km) |
| Forney to Tutrakan | 6,035.41 mi (9,713.05 km) |
| Forney to Varna | 6,122.03 mi (9,852.45 km) |
