| Roy to Smolyan | 6,112.16 mi (9,836.58 km) |
| Roy to Sofia | 6,009.70 mi (9,671.68 km) |
| Roy to Sopot | 6,050.35 mi (9,737.09 km) |
| Roy to Sozopol | 6,139.57 mi (9,880.69 km) |
| Roy to Sredets | 6,131.11 mi (9,867.07 km) |
| Roy to Stamboliyski | 6,075.20 mi (9,777.08 km) |
| Roy to Stara Zagora | 6,086.64 mi (9,795.50 km) |
| Roy to Svilengrad | 6,140.63 mi (9,882.39 km) |
| Roy to Svishtov | 6,008.53 mi (9,669.80 km) |
| Roy to Targovishte | 6,061.61 mi (9,755.21 km) |
| Roy to Teteven | 6,021.89 mi (9,691.29 km) |
| Roy to Troyan | 6,035.67 mi (9,713.47 km) |
| Roy to Tryavna | 6,056.96 mi (9,747.74 km) |
| Roy to Tutrakan | 6,014.50 mi (9,679.40 km) |
| Roy to Varna | 6,096.58 mi (9,811.50 km) |
