| Northlake to Smolyan | 5,302.04 mi (8,532.80 km) |
| Northlake to Sofia | 5,197.88 mi (8,365.19 km) |
| Northlake to Sopot | 5,251.71 mi (8,451.80 km) |
| Northlake to Sozopol | 5,368.00 mi (8,638.96 km) |
| Northlake to Sredets | 5,353.77 mi (8,616.06 km) |
| Northlake to Stamboliyski | 5,269.09 mi (8,479.79 km) |
| Northlake to Stara Zagora | 5,294.61 mi (8,520.85 km) |
| Northlake to Svilengrad | 5,347.26 mi (8,605.58 km) |
| Northlake to Svishtov | 5,225.83 mi (8,410.17 km) |
| Northlake to Targovishte | 5,287.28 mi (8,509.06 km) |
| Northlake to Teteven | 5,221.33 mi (8,402.92 km) |
| Northlake to Troyan | 5,239.13 mi (8,431.56 km) |
| Northlake to Tryavna | 5,267.92 mi (8,477.90 km) |
| Northlake to Tutrakan | 5,248.82 mi (8,447.15 km) |
| Northlake to Varna | 5,335.37 mi (8,586.44 km) |
