| Chaumont to Smolyan | 1,055.11 mi (1,698.04 km) |
| Chaumont to Sofia | 955.41 mi (1,537.58 km) |
| Chaumont to Sopot | 1,020.25 mi (1,641.94 km) |
| Chaumont to Sozopol | 1,160.47 mi (1,867.59 km) |
| Chaumont to Sredets | 1,140.04 mi (1,834.71 km) |
| Chaumont to Stamboliyski | 1,028.13 mi (1,654.61 km) |
| Chaumont to Stara Zagora | 1,067.66 mi (1,718.23 km) |
| Chaumont to Svilengrad | 1,114.86 mi (1,794.19 km) |
| Chaumont to Svishtov | 1,017.34 mi (1,637.26 km) |
| Chaumont to Targovishte | 1,084.12 mi (1,744.73 km) |
| Chaumont to Teteven | 989.95 mi (1,593.17 km) |
| Chaumont to Troyan | 1,011.18 mi (1,627.33 km) |
| Chaumont to Tryavna | 1,046.89 mi (1,684.80 km) |
| Chaumont to Tutrakan | 1,063.00 mi (1,710.73 km) |
| Chaumont to Varna | 1,145.80 mi (1,843.98 km) |
