| Tongeren to Sofia | 1,009.49 mi (1,624.61 km) |
| Tongeren to Sopot | 1,067.69 mi (1,718.28 km) |
| Tongeren to Sozopol | 1,196.80 mi (1,926.06 km) |
| Tongeren to Sredets | 1,179.12 mi (1,897.61 km) |
| Tongeren to Stamboliyski | 1,081.69 mi (1,740.82 km) |
| Tongeren to Stara Zagora | 1,112.93 mi (1,791.09 km) |
| Tongeren to Svilengrad | 1,163.76 mi (1,872.89 km) |
| Tongeren to Svishtov | 1,052.02 mi (1,693.06 km) |
| Tongeren to Targovishte | 1,117.22 mi (1,798.00 km) |
| Tongeren to Teteven | 1,037.03 mi (1,668.94 km) |
| Tongeren to Troyan | 1,056.42 mi (1,700.14 km) |
| Tongeren to Tryavna | 1,088.61 mi (1,751.95 km) |
| Tongeren to Tutrakan | 1,087.75 mi (1,750.56 km) |
| Tongeren to Varna | 1,173.74 mi (1,888.95 km) |
| Tongeren to Veliki Preslav | 1,130.16 mi (1,818.82 km) |
