| Nicholasville to Smolyan | 5,369.32 mi (8,641.09 km) |
| Nicholasville to Sofia | 5,266.01 mi (8,474.82 km) |
| Nicholasville to Sopot | 5,323.67 mi (8,567.61 km) |
| Nicholasville to Sozopol | 5,447.55 mi (8,766.98 km) |
| Nicholasville to Sredets | 5,431.58 mi (8,741.29 km) |
| Nicholasville to Stamboliyski | 5,338.23 mi (8,591.06 km) |
| Nicholasville to Stara Zagora | 5,368.25 mi (8,639.36 km) |
| Nicholasville to Svilengrad | 5,419.72 mi (8,722.20 km) |
| Nicholasville to Svishtov | 5,303.60 mi (8,535.32 km) |
| Nicholasville to Targovishte | 5,367.02 mi (8,637.39 km) |
| Nicholasville to Teteven | 5,293.05 mi (8,518.34 km) |
| Nicholasville to Troyan | 5,311.99 mi (8,548.81 km) |
| Nicholasville to Tryavna | 5,342.95 mi (8,598.65 km) |
| Nicholasville to Tutrakan | 5,331.98 mi (8,580.99 km) |
| Nicholasville to Varna | 5,418.81 mi (8,720.74 km) |
