| Leeuwarden to Smolyan | 1,187.89 mi (1,911.72 km) |
| Leeuwarden to Sofia | 1,083.60 mi (1,743.88 km) |
| Leeuwarden to Sopot | 1,135.08 mi (1,826.73 km) |
| Leeuwarden to Sozopol | 1,252.31 mi (2,015.40 km) |
| Leeuwarden to Sredets | 1,237.29 mi (1,991.22 km) |
| Leeuwarden to Stamboliyski | 1,153.76 mi (1,856.80 km) |
| Leeuwarden to Stara Zagora | 1,177.58 mi (1,895.12 km) |
| Leeuwarden to Svilengrad | 1,230.38 mi (1,980.11 km) |
| Leeuwarden to Svishtov | 1,109.23 mi (1,785.14 km) |
| Leeuwarden to Targovishte | 1,171.63 mi (1,885.56 km) |
| Leeuwarden to Teteven | 1,104.84 mi (1,778.06 km) |
| Leeuwarden to Troyan | 1,122.27 mi (1,806.11 km) |
| Leeuwarden to Tryavna | 1,150.84 mi (1,852.10 km) |
| Leeuwarden to Tutrakan | 1,135.76 mi (1,827.83 km) |
| Leeuwarden to Varna | 1,222.60 mi (1,967.58 km) |
