| Chesham to Smolyan | 1,379.24 mi (2,219.67 km) |
| Chesham to Sofia | 1,276.34 mi (2,054.07 km) |
| Chesham to Sopot | 1,335.97 mi (2,150.03 km) |
| Chesham to Sozopol | 1,466.68 mi (2,360.40 km) |
| Chesham to Sredets | 1,448.72 mi (2,331.50 km) |
| Chesham to Stamboliyski | 1,348.84 mi (2,170.76 km) |
| Chesham to Stara Zagora | 1,381.64 mi (2,223.54 km) |
| Chesham to Svilengrad | 1,431.98 mi (2,304.54 km) |
| Chesham to Svishtov | 1,321.89 mi (2,127.38 km) |
| Chesham to Targovishte | 1,387.29 mi (2,232.63 km) |
| Chesham to Teteven | 1,305.30 mi (2,100.68 km) |
| Chesham to Troyan | 1,325.03 mi (2,132.43 km) |
| Chesham to Tryavna | 1,357.78 mi (2,185.13 km) |
| Chesham to Tutrakan | 1,358.17 mi (2,185.77 km) |
| Chesham to Varna | 1,444.11 mi (2,324.07 km) |
