| Cirencester to Smolyan | 1,434.09 mi (2,307.95 km) |
| Cirencester to Sofia | 1,331.44 mi (2,142.75 km) |
| Cirencester to Sopot | 1,391.60 mi (2,239.57 km) |
| Cirencester to Sozopol | 1,523.13 mi (2,451.24 km) |
| Cirencester to Sredets | 1,504.99 mi (2,422.05 km) |
| Cirencester to Stamboliyski | 1,404.03 mi (2,259.57 km) |
| Cirencester to Stara Zagora | 1,437.46 mi (2,313.37 km) |
| Cirencester to Svilengrad | 1,487.56 mi (2,394.00 km) |
| Cirencester to Svishtov | 1,378.34 mi (2,218.23 km) |
| Cirencester to Targovishte | 1,443.87 mi (2,323.69 km) |
| Cirencester to Teteven | 1,360.95 mi (2,190.23 km) |
| Cirencester to Troyan | 1,380.81 mi (2,222.20 km) |
| Cirencester to Tryavna | 1,413.82 mi (2,275.33 km) |
| Cirencester to Tutrakan | 1,415.17 mi (2,277.50 km) |
| Cirencester to Varna | 1,501.00 mi (2,415.63 km) |
