| Griffith to Smolyan | 5,303.18 mi (8,534.64 km) |
| Griffith to Sofia | 5,199.08 mi (8,367.12 km) |
| Griffith to Sopot | 5,253.36 mi (8,454.47 km) |
| Griffith to Sozopol | 5,370.56 mi (8,643.08 km) |
| Griffith to Sredets | 5,356.13 mi (8,619.85 km) |
| Griffith to Stamboliyski | 5,270.43 mi (8,481.94 km) |
| Griffith to Stara Zagora | 5,296.47 mi (8,523.84 km) |
| Griffith to Svilengrad | 5,349.00 mi (8,608.39 km) |
| Griffith to Svishtov | 5,228.14 mi (8,413.88 km) |
| Griffith to Targovishte | 5,289.83 mi (8,513.17 km) |
| Griffith to Teteven | 5,222.95 mi (8,405.52 km) |
| Griffith to Troyan | 5,240.88 mi (8,434.38 km) |
| Griffith to Tryavna | 5,269.93 mi (8,481.14 km) |
| Griffith to Tutrakan | 5,251.75 mi (8,451.87 km) |
| Griffith to Varna | 5,338.36 mi (8,591.26 km) |
