| Tulsa to Smolyan | 5,886.49 mi (9,473.39 km) |
| Tulsa to Sofia | 5,782.28 mi (9,305.68 km) |
| Tulsa to Sopot | 5,835.49 mi (9,391.32 km) |
| Tulsa to Sozopol | 5,950.29 mi (9,576.06 km) |
| Tulsa to Sredets | 5,936.43 mi (9,553.75 km) |
| Tulsa to Stamboliyski | 5,853.30 mi (9,419.98 km) |
| Tulsa to Stara Zagora | 5,878.08 mi (9,459.86 km) |
| Tulsa to Svilengrad | 5,930.90 mi (9,544.86 km) |
| Tulsa to Svishtov | 5,808.60 mi (9,348.04 km) |
| Tulsa to Targovishte | 5,869.60 mi (9,446.21 km) |
| Tulsa to Teteven | 5,805.18 mi (9,342.53 km) |
| Tulsa to Troyan | 5,822.77 mi (9,370.85 km) |
| Tulsa to Tryavna | 5,851.17 mi (9,416.55 km) |
| Tulsa to Tutrakan | 5,830.43 mi (9,383.17 km) |
| Tulsa to Varna | 5,916.83 mi (9,522.22 km) |
