| Rio Linda to Smolyan | 6,495.66 mi (10,453.75 km) |
| Rio Linda to Sofia | 6,395.38 mi (10,292.38 km) |
| Rio Linda to Sopot | 6,430.43 mi (10,348.77 km) |
| Rio Linda to Sozopol | 6,507.89 mi (10,473.43 km) |
| Rio Linda to Sredets | 6,501.79 mi (10,463.61 km) |
| Rio Linda to Stamboliyski | 6,457.73 mi (10,392.71 km) |
| Rio Linda to Stara Zagora | 6,463.64 mi (10,402.23 km) |
| Rio Linda to Svilengrad | 6,517.29 mi (10,488.57 km) |
| Rio Linda to Svishtov | 6,383.22 mi (10,272.80 km) |
| Rio Linda to Targovishte | 6,432.25 mi (10,351.70 km) |
| Rio Linda to Teteven | 6,403.13 mi (10,304.85 km) |
| Rio Linda to Troyan | 6,415.18 mi (10,324.23 km) |
| Rio Linda to Tryavna | 6,433.29 mi (10,353.38 km) |
| Rio Linda to Tutrakan | 6,382.61 mi (10,271.83 km) |
| Rio Linda to Varna | 6,461.62 mi (10,398.98 km) |
