| Mill Creek East to Smolyan | 5,935.48 mi (9,552.23 km) |
| Mill Creek East to Sofia | 5,837.65 mi (9,394.78 km) |
| Mill Creek East to Sopot | 5,867.88 mi (9,443.44 km) |
| Mill Creek East to Sozopol | 5,935.93 mi (9,552.96 km) |
| Mill Creek East to Sredets | 5,931.59 mi (9,545.97 km) |
| Mill Creek East to Stamboliyski | 5,896.99 mi (9,490.29 km) |
| Mill Creek East to Stara Zagora | 5,898.46 mi (9,492.66 km) |
| Mill Creek East to Svilengrad | 5,951.54 mi (9,578.08 km) |
| Mill Creek East to Svishtov | 5,816.73 mi (9,361.13 km) |
| Mill Creek East to Targovishte | 5,862.43 mi (9,434.66 km) |
| Mill Creek East to Teteven | 5,841.69 mi (9,401.29 km) |
| Mill Creek East to Troyan | 5,852.27 mi (9,418.32 km) |
| Mill Creek East to Tryavna | 5,867.77 mi (9,443.26 km) |
| Mill Creek East to Tutrakan | 5,811.22 mi (9,352.26 km) |
| Mill Creek East to Varna | 5,887.58 mi (9,475.15 km) |
