| Rowland Heights to Smolyan | 6,702.04 mi (10,785.88 km) |
| Rowland Heights to Sofia | 6,599.76 mi (10,621.29 km) |
| Rowland Heights to Sopot | 6,639.80 mi (10,685.73 km) |
| Rowland Heights to Sozopol | 6,727.36 mi (10,826.65 km) |
| Rowland Heights to Sredets | 6,719.28 mi (10,813.64 km) |
| Rowland Heights to Stamboliyski | 6,664.95 mi (10,726.20 km) |
| Rowland Heights to Stara Zagora | 6,675.72 mi (10,743.53 km) |
| Rowland Heights to Svilengrad | 6,729.69 mi (10,830.39 km) |
| Rowland Heights to Svishtov | 6,597.24 mi (10,617.24 km) |
| Rowland Heights to Targovishte | 6,649.73 mi (10,701.71 km) |
| Rowland Heights to Teteven | 6,611.47 mi (10,640.13 km) |
| Rowland Heights to Troyan | 6,625.04 mi (10,661.98 km) |
| Rowland Heights to Tryavna | 6,645.93 mi (10,695.59 km) |
| Rowland Heights to Tutrakan | 6,602.18 mi (10,625.18 km) |
| Rowland Heights to Varna | 6,683.77 mi (10,756.49 km) |
