| Newport East to Smolyan | 4,668.87 mi (7,513.82 km) |
| Newport East to Sofia | 4,566.81 mi (7,349.57 km) |
| Newport East to Sopot | 4,627.45 mi (7,447.16 km) |
| Newport East to Sozopol | 4,757.42 mi (7,656.32 km) |
| Newport East to Sredets | 4,739.95 mi (7,628.21 km) |
| Newport East to Stamboliyski | 4,639.51 mi (7,466.56 km) |
| Newport East to Stara Zagora | 4,673.25 mi (7,520.87 km) |
| Newport East to Svilengrad | 4,723.40 mi (7,601.58 km) |
| Newport East to Svishtov | 4,612.69 mi (7,423.41 km) |
| Newport East to Targovishte | 4,677.55 mi (7,527.80 km) |
| Newport East to Teteven | 4,596.79 mi (7,397.82 km) |
| Newport East to Troyan | 4,616.62 mi (7,429.73 km) |
| Newport East to Tryavna | 4,649.34 mi (7,482.38 km) |
| Newport East to Tutrakan | 4,645.95 mi (7,476.93 km) |
| Newport East to Varna | 4,732.51 mi (7,616.24 km) |
