| Bullhead City to Smolyan | 6,541.92 mi (10,528.20 km) |
| Bullhead City to Sofia | 6,439.03 mi (10,362.62 km) |
| Bullhead City to Sopot | 6,481.03 mi (10,430.21 km) |
| Bullhead City to Sozopol | 6,572.73 mi (10,577.79 km) |
| Bullhead City to Sredets | 6,563.81 mi (10,563.43 km) |
| Bullhead City to Stamboliyski | 6,505.25 mi (10,469.19 km) |
| Bullhead City to Stara Zagora | 6,518.01 mi (10,489.72 km) |
| Bullhead City to Svilengrad | 6,572.01 mi (10,576.63 km) |
| Bullhead City to Svishtov | 6,440.51 mi (10,365.00 km) |
| Bullhead City to Targovishte | 6,494.38 mi (10,451.70 km) |
| Bullhead City to Teteven | 6,452.33 mi (10,384.02 km) |
| Bullhead City to Troyan | 6,466.51 mi (10,406.84 km) |
| Bullhead City to Tryavna | 6,488.52 mi (10,442.26 km) |
| Bullhead City to Tutrakan | 6,447.83 mi (10,376.79 km) |
| Bullhead City to Varna | 6,530.41 mi (10,509.69 km) |
