| Bellefontaine to Smolyan | 5,220.80 mi (8,402.07 km) |
| Bellefontaine to Sofia | 5,117.17 mi (8,235.28 km) |
| Bellefontaine to Sopot | 5,173.75 mi (8,326.35 km) |
| Bellefontaine to Sozopol | 5,295.57 mi (8,522.39 km) |
| Bellefontaine to Sredets | 5,280.07 mi (8,497.46 km) |
| Bellefontaine to Stamboliyski | 5,189.15 mi (8,351.13 km) |
| Bellefontaine to Stara Zagora | 5,217.88 mi (8,397.37 km) |
| Bellefontaine to Svilengrad | 5,269.73 mi (8,480.81 km) |
| Bellefontaine to Svishtov | 5,152.02 mi (8,291.37 km) |
| Bellefontaine to Targovishte | 5,214.93 mi (8,392.62 km) |
| Bellefontaine to Teteven | 5,143.18 mi (8,277.15 km) |
| Bellefontaine to Troyan | 5,161.80 mi (8,307.12 km) |
| Bellefontaine to Tryavna | 5,192.17 mi (8,355.99 km) |
| Bellefontaine to Tutrakan | 5,178.91 mi (8,334.66 km) |
| Bellefontaine to Varna | 5,265.73 mi (8,474.38 km) |
