| Walker Mill to Smolyan | 5,013.77 mi (8,068.88 km) |
| Walker Mill to Sofia | 4,911.48 mi (7,904.27 km) |
| Walker Mill to Sopot | 4,971.67 mi (8,001.12 km) |
| Walker Mill to Sozopol | 5,100.63 mi (8,208.66 km) |
| Walker Mill to Sredets | 5,083.42 mi (8,180.98 km) |
| Walker Mill to Stamboliyski | 4,984.13 mi (8,021.18 km) |
| Walker Mill to Stara Zagora | 5,017.28 mi (8,074.53 km) |
| Walker Mill to Svilengrad | 5,067.67 mi (8,155.62 km) |
| Walker Mill to Svishtov | 4,955.98 mi (7,975.88 km) |
| Walker Mill to Targovishte | 5,020.61 mi (8,079.89 km) |
| Walker Mill to Teteven | 4,941.00 mi (7,951.78 km) |
| Walker Mill to Troyan | 4,960.69 mi (7,983.46 km) |
| Walker Mill to Tryavna | 4,993.12 mi (8,035.65 km) |
| Walker Mill to Tutrakan | 4,988.34 mi (8,027.95 km) |
| Walker Mill to Varna | 5,074.99 mi (8,167.41 km) |
