| Blythe to Smolyan | 6,634.23 mi (10,676.76 km) |
| Blythe to Sofia | 6,531.14 mi (10,510.85 km) |
| Blythe to Sopot | 6,573.84 mi (10,579.57 km) |
| Blythe to Sozopol | 6,666.89 mi (10,729.33 km) |
| Blythe to Sredets | 6,657.70 mi (10,714.53 km) |
| Blythe to Stamboliyski | 6,597.72 mi (10,618.00 km) |
| Blythe to Stara Zagora | 6,611.17 mi (10,639.64 km) |
| Blythe to Svilengrad | 6,665.17 mi (10,726.55 km) |
| Blythe to Svishtov | 6,534.02 mi (10,515.49 km) |
| Blythe to Targovishte | 6,588.33 mi (10,602.90 km) |
| Blythe to Teteven | 6,545.01 mi (10,533.17 km) |
| Blythe to Troyan | 6,559.40 mi (10,556.33 km) |
| Blythe to Tryavna | 6,581.78 mi (10,592.36 km) |
| Blythe to Tutrakan | 6,542.11 mi (10,528.51 km) |
| Blythe to Varna | 6,624.98 mi (10,661.87 km) |
