| Walnut to Smolyan | 6,697.40 mi (10,778.43 km) |
| Walnut to Sofia | 6,595.13 mi (10,613.84 km) |
| Walnut to Sopot | 6,635.16 mi (10,678.26 km) |
| Walnut to Sozopol | 6,722.72 mi (10,819.17 km) |
| Walnut to Sredets | 6,714.64 mi (10,806.17 km) |
| Walnut to Stamboliyski | 6,660.31 mi (10,718.74 km) |
| Walnut to Stara Zagora | 6,671.08 mi (10,736.06 km) |
| Walnut to Svilengrad | 6,725.05 mi (10,822.92 km) |
| Walnut to Svishtov | 6,592.60 mi (10,609.77 km) |
| Walnut to Targovishte | 6,645.09 mi (10,694.24 km) |
| Walnut to Teteven | 6,606.83 mi (10,632.67 km) |
| Walnut to Troyan | 6,620.41 mi (10,654.52 km) |
| Walnut to Tryavna | 6,641.29 mi (10,688.12 km) |
| Walnut to Tutrakan | 6,597.54 mi (10,617.71 km) |
| Walnut to Varna | 6,679.13 mi (10,749.02 km) |
