| Saint Austell to Smolyan | 1,527.33 mi (2,458.00 km) |
| Saint Austell to Sofia | 1,426.71 mi (2,296.07 km) |
| Saint Austell to Sopot | 1,490.15 mi (2,398.16 km) |
| Saint Austell to Sozopol | 1,627.19 mi (2,618.72 km) |
| Saint Austell to Sredets | 1,607.70 mi (2,587.35 km) |
| Saint Austell to Stamboliyski | 1,499.51 mi (2,413.23 km) |
| Saint Austell to Stara Zagora | 1,537.09 mi (2,473.70 km) |
| Saint Austell to Svilengrad | 1,585.38 mi (2,551.43 km) |
| Saint Austell to Svishtov | 1,482.96 mi (2,386.59 km) |
| Saint Austell to Targovishte | 1,549.34 mi (2,493.43 km) |
| Saint Austell to Teteven | 1,459.66 mi (2,349.09 km) |
| Saint Austell to Troyan | 1,480.43 mi (2,382.52 km) |
| Saint Austell to Tryavna | 1,515.16 mi (2,438.41 km) |
| Saint Austell to Tutrakan | 1,524.39 mi (2,453.26 km) |
| Saint Austell to Varna | 1,608.98 mi (2,589.41 km) |
