| Colne to Smolyan | 1,495.42 mi (2,406.64 km) |
| Colne to Sofia | 1,391.46 mi (2,239.33 km) |
| Colne to Sopot | 1,447.33 mi (2,329.25 km) |
| Colne to Sozopol | 1,571.16 mi (2,528.53 km) |
| Colne to Sredets | 1,554.82 mi (2,502.24 km) |
| Colne to Stamboliyski | 1,463.13 mi (2,354.69 km) |
| Colne to Stara Zagora | 1,491.53 mi (2,400.38 km) |
| Colne to Svilengrad | 1,543.31 mi (2,483.71 km) |
| Colne to Svishtov | 1,426.92 mi (2,296.40 km) |
| Colne to Targovishte | 1,490.80 mi (2,399.22 km) |
| Colne to Teteven | 1,416.76 mi (2,280.06 km) |
| Colne to Troyan | 1,435.39 mi (2,310.04 km) |
| Colne to Tryavna | 1,466.06 mi (2,359.40 km) |
| Colne to Tutrakan | 1,457.55 mi (2,345.70 km) |
| Colne to Varna | 1,544.26 mi (2,485.25 km) |
