| Roskilde to Smolyan | 1,125.98 mi (1,812.09 km) |
| Roskilde to Sofia | 1,025.99 mi (1,651.18 km) |
| Roskilde to Sopot | 1,061.44 mi (1,708.22 km) |
| Roskilde to Sozopol | 1,150.47 mi (1,851.50 km) |
| Roskilde to Sredets | 1,141.02 mi (1,836.30 km) |
| Roskilde to Stamboliyski | 1,088.12 mi (1,751.16 km) |
| Roskilde to Stara Zagora | 1,096.40 mi (1,764.48 km) |
| Roskilde to Svilengrad | 1,150.34 mi (1,851.30 km) |
| Roskilde to Svishtov | 1,017.90 mi (1,638.15 km) |
| Roskilde to Targovishte | 1,071.67 mi (1,724.69 km) |
| Roskilde to Teteven | 1,033.74 mi (1,663.64 km) |
| Roskilde to Troyan | 1,046.41 mi (1,684.04 km) |
| Roskilde to Tryavna | 1,066.53 mi (1,716.41 km) |
| Roskilde to Tutrakan | 1,026.06 mi (1,651.28 km) |
| Roskilde to Varna | 1,110.02 mi (1,786.41 km) |
