| Kankakee to Smolyan | 5,340.12 mi (8,594.09 km) |
| Kankakee to Sofia | 5,236.03 mi (8,426.58 km) |
| Kankakee to Sopot | 5,290.36 mi (8,514.02 km) |
| Kankakee to Sozopol | 5,407.65 mi (8,702.78 km) |
| Kankakee to Sredets | 5,393.20 mi (8,679.52 km) |
| Kankakee to Stamboliyski | 5,307.40 mi (8,541.43 km) |
| Kankakee to Stara Zagora | 5,333.49 mi (8,583.43 km) |
| Kankakee to Svilengrad | 5,386.02 mi (8,667.96 km) |
| Kankakee to Svishtov | 5,265.21 mi (8,473.54 km) |
| Kankakee to Targovishte | 5,326.93 mi (8,572.87 km) |
| Kankakee to Teteven | 5,259.95 mi (8,465.07 km) |
| Kankakee to Troyan | 5,277.89 mi (8,493.95 km) |
| Kankakee to Tryavna | 5,306.98 mi (8,540.75 km) |
| Kankakee to Tutrakan | 5,288.88 mi (8,511.62 km) |
| Kankakee to Varna | 5,375.50 mi (8,651.02 km) |
