| Enfield Lock to Smolyan | 1,354.72 mi (2,180.21 km) |
| Enfield Lock to Sofia | 1,251.74 mi (2,014.48 km) |
| Enfield Lock to Sopot | 1,311.19 mi (2,110.16 km) |
| Enfield Lock to Sozopol | 1,441.67 mi (2,320.14 km) |
| Enfield Lock to Sredets | 1,423.76 mi (2,291.32 km) |
| Enfield Lock to Stamboliyski | 1,324.21 mi (2,131.11 km) |
| Enfield Lock to Stara Zagora | 1,356.81 mi (2,183.58 km) |
| Enfield Lock to Svilengrad | 1,407.21 mi (2,264.69 km) |
| Enfield Lock to Svishtov | 1,296.87 mi (2,087.12 km) |
| Enfield Lock to Targovishte | 1,362.24 mi (2,192.31 km) |
| Enfield Lock to Teteven | 1,280.53 mi (2,060.81 km) |
| Enfield Lock to Troyan | 1,300.21 mi (2,092.48 km) |
| Enfield Lock to Tryavna | 1,332.88 mi (2,145.06 km) |
| Enfield Lock to Tutrakan | 1,333.02 mi (2,145.28 km) |
| Enfield Lock to Varna | 1,418.98 mi (2,283.62 km) |
