| Chubbuck to Smolyan | 6,018.78 mi (9,686.29 km) |
| Chubbuck to Sofia | 5,916.74 mi (9,522.07 km) |
| Chubbuck to Sopot | 5,956.17 mi (9,585.52 km) |
| Chubbuck to Sozopol | 6,042.98 mi (9,725.23 km) |
| Chubbuck to Sredets | 6,035.00 mi (9,712.39 km) |
| Chubbuck to Stamboliyski | 5,981.57 mi (9,626.41 km) |
| Chubbuck to Stara Zagora | 5,991.82 mi (9,642.90 km) |
| Chubbuck to Svilengrad | 6,045.78 mi (9,729.74 km) |
| Chubbuck to Svishtov | 5,913.16 mi (9,516.32 km) |
| Chubbuck to Targovishte | 5,965.43 mi (9,600.43 km) |
| Chubbuck to Teteven | 5,927.94 mi (9,540.10 km) |
| Chubbuck to Troyan | 5,941.35 mi (9,561.68 km) |
| Chubbuck to Tryavna | 5,961.97 mi (9,594.87 km) |
| Chubbuck to Tutrakan | 5,917.77 mi (9,523.73 km) |
| Chubbuck to Varna | 5,999.29 mi (9,654.93 km) |
