| Sudbury to Smolyan | 1,363.68 mi (2,194.63 km) |
| Sudbury to Sofia | 1,260.86 mi (2,029.16 km) |
| Sudbury to Sopot | 1,320.68 mi (2,125.43 km) |
| Sudbury to Sozopol | 1,451.79 mi (2,336.43 km) |
| Sudbury to Sredets | 1,433.73 mi (2,307.37 km) |
| Sudbury to Stamboliyski | 1,333.39 mi (2,145.89 km) |
| Sudbury to Stara Zagora | 1,366.44 mi (2,199.07 km) |
| Sudbury to Svilengrad | 1,416.67 mi (2,279.92 km) |
| Sudbury to Svishtov | 1,307.00 mi (2,103.41 km) |
| Sudbury to Targovishte | 1,372.47 mi (2,208.78 km) |
| Sudbury to Teteven | 1,290.02 mi (2,076.09 km) |
| Sudbury to Troyan | 1,309.81 mi (2,107.93 km) |
| Sudbury to Tryavna | 1,342.67 mi (2,160.83 km) |
| Sudbury to Tutrakan | 1,343.63 mi (2,162.37 km) |
| Sudbury to Varna | 1,429.49 mi (2,300.55 km) |
