| Chickasha to Smolyan | 6,017.61 mi (9,684.40 km) |
| Chickasha to Sofia | 5,913.36 mi (9,516.63 km) |
| Chickasha to Sopot | 5,966.05 mi (9,601.43 km) |
| Chickasha to Sozopol | 6,079.75 mi (9,784.42 km) |
| Chickasha to Sredets | 6,066.14 mi (9,762.51 km) |
| Chickasha to Stamboliyski | 5,984.21 mi (9,630.66 km) |
| Chickasha to Stara Zagora | 6,008.40 mi (9,669.58 km) |
| Chickasha to Svilengrad | 6,061.33 mi (9,754.77 km) |
| Chickasha to Svishtov | 5,938.42 mi (9,556.96 km) |
| Chickasha to Targovishte | 5,999.10 mi (9,654.62 km) |
| Chickasha to Teteven | 5,935.79 mi (9,552.73 km) |
| Chickasha to Troyan | 5,953.23 mi (9,580.80 km) |
| Chickasha to Tryavna | 5,981.32 mi (9,626.01 km) |
| Chickasha to Tutrakan | 5,959.48 mi (9,590.85 km) |
| Chickasha to Varna | 6,045.77 mi (9,729.73 km) |
