| Algonquin to Smolyan | 5,304.83 mi (8,537.30 km) |
| Algonquin to Sofia | 5,200.64 mi (8,369.62 km) |
| Algonquin to Sopot | 5,254.12 mi (8,455.69 km) |
| Algonquin to Sozopol | 5,369.73 mi (8,641.75 km) |
| Algonquin to Sredets | 5,355.65 mi (8,619.09 km) |
| Algonquin to Stamboliyski | 5,271.74 mi (8,484.05 km) |
| Algonquin to Stara Zagora | 5,296.87 mi (8,524.48 km) |
| Algonquin to Svilengrad | 5,349.60 mi (8,609.35 km) |
| Algonquin to Svishtov | 5,227.76 mi (8,413.27 km) |
| Algonquin to Targovishte | 5,289.02 mi (8,511.86 km) |
| Algonquin to Teteven | 5,223.78 mi (8,406.85 km) |
| Algonquin to Troyan | 5,241.47 mi (8,435.33 km) |
| Algonquin to Tryavna | 5,270.07 mi (8,481.36 km) |
| Algonquin to Tutrakan | 5,250.28 mi (8,449.51 km) |
| Algonquin to Varna | 5,336.78 mi (8,588.72 km) |
