| Topeka to Smolyan | 5,726.15 mi (9,215.35 km) |
| Topeka to Sofia | 5,621.86 mi (9,047.51 km) |
| Topeka to Sopot | 5,673.55 mi (9,130.69 km) |
| Topeka to Sozopol | 5,785.37 mi (9,310.66 km) |
| Topeka to Sredets | 5,772.16 mi (9,289.39 km) |
| Topeka to Stamboliyski | 5,692.35 mi (9,160.96 km) |
| Topeka to Stara Zagora | 5,715.44 mi (9,198.11 km) |
| Topeka to Svilengrad | 5,768.57 mi (9,283.62 km) |
| Topeka to Svishtov | 5,644.62 mi (9,084.15 km) |
| Topeka to Targovishte | 5,704.79 mi (9,180.97 km) |
| Topeka to Teteven | 5,643.39 mi (9,082.15 km) |
| Topeka to Troyan | 5,660.53 mi (9,109.75 km) |
| Topeka to Tryavna | 5,688.08 mi (9,154.08 km) |
| Topeka to Tutrakan | 5,664.50 mi (9,116.13 km) |
| Topeka to Varna | 5,750.62 mi (9,254.72 km) |
