| Kalamazoo to Smolyan | 5,199.44 mi (8,367.69 km) |
| Kalamazoo to Sofia | 5,095.40 mi (8,200.25 km) |
| Kalamazoo to Sopot | 5,150.04 mi (8,288.18 km) |
| Kalamazoo to Sozopol | 5,268.00 mi (8,478.03 km) |
| Kalamazoo to Sredets | 5,253.39 mi (8,454.52 km) |
| Kalamazoo to Stamboliyski | 5,166.85 mi (8,315.25 km) |
| Kalamazoo to Stara Zagora | 5,193.31 mi (8,357.83 km) |
| Kalamazoo to Svilengrad | 5,245.75 mi (8,442.22 km) |
| Kalamazoo to Svishtov | 5,125.37 mi (8,248.49 km) |
| Kalamazoo to Targovishte | 5,187.28 mi (8,348.13 km) |
| Kalamazoo to Teteven | 5,119.59 mi (8,239.19 km) |
| Kalamazoo to Troyan | 5,137.64 mi (8,268.23 km) |
| Kalamazoo to Tryavna | 5,166.91 mi (8,315.33 km) |
| Kalamazoo to Tutrakan | 5,149.54 mi (8,287.39 km) |
| Kalamazoo to Varna | 5,236.21 mi (8,426.86 km) |
