| Darfield to Smolyan | 1,456.84 mi (2,344.56 km) |
| Darfield to Sofia | 1,352.93 mi (2,177.32 km) |
| Darfield to Sopot | 1,409.06 mi (2,267.66 km) |
| Darfield to Sozopol | 1,533.46 mi (2,467.86 km) |
| Darfield to Sredets | 1,516.98 mi (2,441.35 km) |
| Darfield to Stamboliyski | 1,424.67 mi (2,292.79 km) |
| Darfield to Stara Zagora | 1,453.38 mi (2,338.99 km) |
| Darfield to Svilengrad | 1,505.06 mi (2,422.16 km) |
| Darfield to Svishtov | 1,389.13 mi (2,235.59 km) |
| Darfield to Targovishte | 1,453.16 mi (2,338.64 km) |
| Darfield to Teteven | 1,378.48 mi (2,218.45 km) |
| Darfield to Troyan | 1,397.19 mi (2,248.57 km) |
| Darfield to Tryavna | 1,428.03 mi (2,298.19 km) |
| Darfield to Tutrakan | 1,420.27 mi (2,285.71 km) |
| Darfield to Varna | 1,506.94 mi (2,425.19 km) |
