| Renkum to Smolyan | 1,139.42 mi (1,833.72 km) |
| Renkum to Sofia | 1,035.24 mi (1,666.07 km) |
| Renkum to Sopot | 1,089.92 mi (1,754.05 km) |
| Renkum to Sozopol | 1,212.92 mi (1,952.00 km) |
| Renkum to Sredets | 1,196.62 mi (1,925.78 km) |
| Renkum to Stamboliyski | 1,106.51 mi (1,780.76 km) |
| Renkum to Stara Zagora | 1,133.78 mi (1,824.64 km) |
| Renkum to Svilengrad | 1,185.80 mi (1,908.35 km) |
| Renkum to Svishtov | 1,068.70 mi (1,719.91 km) |
| Renkum to Targovishte | 1,132.57 mi (1,822.69 km) |
| Renkum to Teteven | 1,059.41 mi (1,704.96 km) |
| Renkum to Troyan | 1,077.78 mi (1,734.52 km) |
| Renkum to Tryavna | 1,108.09 mi (1,783.30 km) |
| Renkum to Tutrakan | 1,099.61 mi (1,769.64 km) |
| Renkum to Varna | 1,186.26 mi (1,909.10 km) |
