| Greenfield to Smolyan | 5,254.69 mi (8,456.61 km) |
| Greenfield to Sofia | 5,150.47 mi (8,288.88 km) |
| Greenfield to Sopot | 5,203.60 mi (8,374.38 km) |
| Greenfield to Sozopol | 5,318.53 mi (8,559.35 km) |
| Greenfield to Sredets | 5,304.60 mi (8,536.94 km) |
| Greenfield to Stamboliyski | 5,221.45 mi (8,403.12 km) |
| Greenfield to Stara Zagora | 5,246.18 mi (8,442.92 km) |
| Greenfield to Svilengrad | 5,299.00 mi (8,527.92 km) |
| Greenfield to Svishtov | 5,176.76 mi (8,331.19 km) |
| Greenfield to Targovishte | 5,237.84 mi (8,429.49 km) |
| Greenfield to Teteven | 5,173.29 mi (8,325.60 km) |
| Greenfield to Troyan | 5,190.88 mi (8,353.91 km) |
| Greenfield to Tryavna | 5,219.28 mi (8,399.63 km) |
| Greenfield to Tutrakan | 5,198.83 mi (8,366.71 km) |
| Greenfield to Varna | 5,285.28 mi (8,505.83 km) |
