| Omaha to Smolyan | 5,621.46 mi (9,046.86 km) |
| Omaha to Sofia | 5,517.17 mi (8,879.03 km) |
| Omaha to Sopot | 5,567.37 mi (8,959.82 km) |
| Omaha to Sozopol | 5,676.26 mi (9,135.06 km) |
| Omaha to Sredets | 5,663.68 mi (9,114.81 km) |
| Omaha to Stamboliyski | 5,587.11 mi (8,991.58 km) |
| Omaha to Stara Zagora | 5,608.56 mi (9,026.10 km) |
| Omaha to Svilengrad | 5,661.95 mi (9,112.02 km) |
| Omaha to Svishtov | 5,536.53 mi (8,910.18 km) |
| Omaha to Targovishte | 5,595.85 mi (9,005.64 km) |
| Omaha to Teteven | 5,537.38 mi (8,911.56 km) |
| Omaha to Troyan | 5,554.08 mi (8,938.43 km) |
| Omaha to Tryavna | 5,580.80 mi (8,981.43 km) |
| Omaha to Tutrakan | 5,554.51 mi (8,939.12 km) |
| Omaha to Varna | 5,640.28 mi (9,077.16 km) |
