| Chalons-en-Champagne to Smolyan | 1,107.54 mi (1,782.41 km) |
| Chalons-en-Champagne to Sofia | 1,006.59 mi (1,619.95 km) |
| Chalons-en-Champagne to Sopot | 1,069.90 mi (1,721.83 km) |
| Chalons-en-Champagne to Sozopol | 1,207.51 mi (1,943.30 km) |
| Chalons-en-Champagne to Sredets | 1,187.78 mi (1,911.54 km) |
| Chalons-en-Champagne to Stamboliyski | 1,079.39 mi (1,737.11 km) |
| Chalons-en-Champagne to Stara Zagora | 1,116.87 mi (1,797.42 km) |
| Chalons-en-Champagne to Svilengrad | 1,165.14 mi (1,875.11 km) |
| Chalons-en-Champagne to Svishtov | 1,063.53 mi (1,711.59 km) |
| Chalons-en-Champagne to Targovishte | 1,130.08 mi (1,818.68 km) |
| Chalons-en-Champagne to Teteven | 1,039.41 mi (1,672.77 km) |
| Chalons-en-Champagne to Troyan | 1,060.22 mi (1,706.25 km) |
| Chalons-en-Champagne to Tryavna | 1,095.09 mi (1,762.38 km) |
| Chalons-en-Champagne to Tutrakan | 1,106.54 mi (1,780.80 km) |
| Chalons-en-Champagne to Varna | 1,190.48 mi (1,915.89 km) |
