| Finchley to Smolyan | 1,359.44 mi (2,187.81 km) |
| Finchley to Sofia | 1,256.56 mi (2,022.23 km) |
| Finchley to Sopot | 1,316.23 mi (2,118.26 km) |
| Finchley to Sozopol | 1,447.07 mi (2,328.84 km) |
| Finchley to Sredets | 1,429.08 mi (2,299.88 km) |
| Finchley to Stamboliyski | 1,329.06 mi (2,138.92 km) |
| Finchley to Stara Zagora | 1,361.93 mi (2,191.81 km) |
| Finchley to Svilengrad | 1,412.23 mi (2,272.77 km) |
| Finchley to Svishtov | 1,302.28 mi (2,095.82 km) |
| Finchley to Targovishte | 1,367.71 mi (2,201.12 km) |
| Finchley to Teteven | 1,285.56 mi (2,068.92 km) |
| Finchley to Troyan | 1,305.30 mi (2,100.69 km) |
| Finchley to Tryavna | 1,338.09 mi (2,153.45 km) |
| Finchley to Tutrakan | 1,338.71 mi (2,154.45 km) |
| Finchley to Varna | 1,424.62 mi (2,292.70 km) |
