| Cusset to Smolyan | 1,100.26 mi (1,770.70 km) |
| Cusset to Sofia | 1,006.17 mi (1,619.27 km) |
| Cusset to Sopot | 1,075.00 mi (1,730.05 km) |
| Cusset to Sozopol | 1,221.44 mi (1,965.72 km) |
| Cusset to Sredets | 1,199.17 mi (1,929.88 km) |
| Cusset to Stamboliyski | 1,077.56 mi (1,734.17 km) |
| Cusset to Stara Zagora | 1,123.16 mi (1,807.55 km) |
| Cusset to Svilengrad | 1,166.40 mi (1,877.15 km) |
| Cusset to Svishtov | 1,082.42 mi (1,741.99 km) |
| Cusset to Targovishte | 1,149.05 mi (1,849.22 km) |
| Cusset to Teteven | 1,045.69 mi (1,682.88 km) |
| Cusset to Troyan | 1,067.94 mi (1,718.68 km) |
| Cusset to Tryavna | 1,105.72 mi (1,779.48 km) |
| Cusset to Tutrakan | 1,134.74 mi (1,826.20 km) |
| Cusset to Varna | 1,213.59 mi (1,953.08 km) |
