| Carlisle to Smolyan | 1,552.94 mi (2,499.21 km) |
| Carlisle to Sofia | 1,448.74 mi (2,331.52 km) |
| Carlisle to Sopot | 1,502.83 mi (2,418.57 km) |
| Carlisle to Sozopol | 1,623.31 mi (2,612.47 km) |
| Carlisle to Sredets | 1,607.74 mi (2,587.40 km) |
| Carlisle to Stamboliyski | 1,519.89 mi (2,446.02 km) |
| Carlisle to Stara Zagora | 1,546.27 mi (2,488.49 km) |
| Carlisle to Svilengrad | 1,598.58 mi (2,572.66 km) |
| Carlisle to Svishtov | 1,479.68 mi (2,381.31 km) |
| Carlisle to Targovishte | 1,542.72 mi (2,482.77 km) |
| Carlisle to Teteven | 1,472.38 mi (2,369.57 km) |
| Carlisle to Troyan | 1,490.48 mi (2,398.70 km) |
| Carlisle to Tryavna | 1,520.16 mi (2,446.46 km) |
| Carlisle to Tutrakan | 1,507.72 mi (2,426.44 km) |
| Carlisle to Varna | 1,594.55 mi (2,566.18 km) |
