| Sussex to Smolyan | 5,254.09 mi (8,455.64 km) |
| Sussex to Sofia | 5,149.85 mi (8,287.89 km) |
| Sussex to Sopot | 5,202.77 mi (8,373.06 km) |
| Sussex to Sozopol | 5,317.30 mi (8,557.36 km) |
| Sussex to Sredets | 5,303.46 mi (8,535.09 km) |
| Sussex to Stamboliyski | 5,220.77 mi (8,402.02 km) |
| Sussex to Stara Zagora | 5,245.27 mi (8,441.44 km) |
| Sussex to Svilengrad | 5,298.13 mi (8,526.51 km) |
| Sussex to Svishtov | 5,175.65 mi (8,329.40 km) |
| Sussex to Targovishte | 5,236.61 mi (8,427.51 km) |
| Sussex to Teteven | 5,172.48 mi (8,324.30 km) |
| Sussex to Troyan | 5,190.01 mi (8,352.51 km) |
| Sussex to Tryavna | 5,218.30 mi (8,398.04 km) |
| Sussex to Tutrakan | 5,197.44 mi (8,364.47 km) |
| Sussex to Varna | 5,283.85 mi (8,503.53 km) |
