| Delhi to Smolyan | 6,559.13 mi (10,555.90 km) |
| Delhi to Sofia | 6,458.37 mi (10,393.74 km) |
| Delhi to Sopot | 6,494.51 mi (10,451.91 km) |
| Delhi to Sozopol | 6,574.19 mi (10,580.14 km) |
| Delhi to Sredets | 6,567.66 mi (10,569.63 km) |
| Delhi to Stamboliyski | 6,521.36 mi (10,495.12 km) |
| Delhi to Stara Zagora | 6,528.33 mi (10,506.33 km) |
| Delhi to Svilengrad | 6,582.08 mi (10,592.84 km) |
| Delhi to Svishtov | 6,448.29 mi (10,377.51 km) |
| Delhi to Targovishte | 6,498.08 mi (10,457.66 km) |
| Delhi to Teteven | 6,466.98 mi (10,407.60 km) |
| Delhi to Troyan | 6,479.36 mi (10,427.53 km) |
| Delhi to Tryavna | 6,498.08 mi (10,457.65 km) |
| Delhi to Tutrakan | 6,448.87 mi (10,378.46 km) |
| Delhi to Varna | 6,528.47 mi (10,506.56 km) |
