| Redlands to Smolyan | 6,678.13 mi (10,747.41 km) |
| Redlands to Sofia | 6,575.68 mi (10,582.54 km) |
| Redlands to Sopot | 6,616.24 mi (10,647.81 km) |
| Redlands to Sozopol | 6,704.88 mi (10,790.47 km) |
| Redlands to Sredets | 6,696.59 mi (10,777.12 km) |
| Redlands to Stamboliyski | 6,641.15 mi (10,687.89 km) |
| Redlands to Stara Zagora | 6,652.44 mi (10,706.06 km) |
| Redlands to Svilengrad | 6,706.42 mi (10,792.94 km) |
| Redlands to Svishtov | 6,574.21 mi (10,580.17 km) |
| Redlands to Targovishte | 6,627.06 mi (10,665.22 km) |
| Redlands to Teteven | 6,587.81 mi (10,602.05 km) |
| Redlands to Troyan | 6,601.54 mi (10,624.16 km) |
| Redlands to Tryavna | 6,622.72 mi (10,658.24 km) |
| Redlands to Tutrakan | 6,579.76 mi (10,589.10 km) |
| Redlands to Varna | 6,661.62 mi (10,720.83 km) |
