| Royse City to Smolyan | 6,068.30 mi (9,765.99 km) |
| Royse City to Sofia | 5,964.28 mi (9,598.58 km) |
| Royse City to Sopot | 6,018.96 mi (9,686.57 km) |
| Royse City to Sozopol | 6,136.62 mi (9,875.94 km) |
| Royse City to Sredets | 6,122.12 mi (9,852.60 km) |
| Royse City to Stamboliyski | 6,035.76 mi (9,713.62 km) |
| Royse City to Stara Zagora | 6,062.21 mi (9,756.18 km) |
| Royse City to Svilengrad | 6,114.66 mi (9,840.60 km) |
| Royse City to Svishtov | 5,994.12 mi (9,646.60 km) |
| Royse City to Targovishte | 6,055.90 mi (9,746.03 km) |
| Royse City to Teteven | 5,988.52 mi (9,637.58 km) |
| Royse City to Troyan | 6,006.55 mi (9,666.61 km) |
| Royse City to Tryavna | 6,035.77 mi (9,713.63 km) |
| Royse City to Tutrakan | 6,017.87 mi (9,684.83 km) |
| Royse City to Varna | 6,104.49 mi (9,824.22 km) |
