| Rantoul to Smolyan | 5,389.94 mi (8,674.27 km) |
| Rantoul to Sofia | 5,285.91 mi (8,506.85 km) |
| Rantoul to Sopot | 5,340.58 mi (8,594.84 km) |
| Rantoul to Sozopol | 5,458.53 mi (8,784.66 km) |
| Rantoul to Sredets | 5,443.93 mi (8,761.17 km) |
| Rantoul to Stamboliyski | 5,357.38 mi (8,621.87 km) |
| Rantoul to Stara Zagora | 5,383.86 mi (8,664.49 km) |
| Rantoul to Svilengrad | 5,436.30 mi (8,748.88 km) |
| Rantoul to Svishtov | 5,315.92 mi (8,555.14 km) |
| Rantoul to Targovishte | 5,377.81 mi (8,654.75 km) |
| Rantoul to Teteven | 5,310.14 mi (8,545.84 km) |
| Rantoul to Troyan | 5,328.19 mi (8,574.89 km) |
| Rantoul to Tryavna | 5,357.46 mi (8,621.99 km) |
| Rantoul to Tutrakan | 5,340.02 mi (8,593.94 km) |
| Rantoul to Varna | 5,426.68 mi (8,733.40 km) |
