| Heerenveen to Smolyan | 1,172.94 mi (1,887.66 km) |
| Heerenveen to Sofia | 1,068.64 mi (1,719.80 km) |
| Heerenveen to Sopot | 1,120.63 mi (1,803.47 km) |
| Heerenveen to Sozopol | 1,238.83 mi (1,993.70 km) |
| Heerenveen to Sredets | 1,223.59 mi (1,969.17 km) |
| Heerenveen to Stamboliyski | 1,138.99 mi (1,833.03 km) |
| Heerenveen to Stara Zagora | 1,163.35 mi (1,872.24 km) |
| Heerenveen to Svilengrad | 1,216.05 mi (1,957.04 km) |
| Heerenveen to Svishtov | 1,095.52 mi (1,763.07 km) |
| Heerenveen to Targovishte | 1,158.18 mi (1,863.91 km) |
| Heerenveen to Teteven | 1,090.34 mi (1,754.73 km) |
| Heerenveen to Troyan | 1,107.92 mi (1,783.02 km) |
| Heerenveen to Tryavna | 1,136.78 mi (1,829.47 km) |
| Heerenveen to Tutrakan | 1,122.78 mi (1,806.95 km) |
| Heerenveen to Varna | 1,209.62 mi (1,946.69 km) |
