| Eastlake to Smolyan | 5,070.66 mi (8,160.44 km) |
| Eastlake to Sofia | 4,967.07 mi (7,993.73 km) |
| Eastlake to Sopot | 5,023.85 mi (8,085.11 km) |
| Eastlake to Sozopol | 5,146.11 mi (8,281.87 km) |
| Eastlake to Sredets | 5,130.51 mi (8,256.76 km) |
| Eastlake to Stamboliyski | 5,039.10 mi (8,109.64 km) |
| Eastlake to Stara Zagora | 5,068.07 mi (8,156.27 km) |
| Eastlake to Svilengrad | 5,119.85 mi (8,239.60 km) |
| Eastlake to Svishtov | 5,002.46 mi (8,050.68 km) |
| Eastlake to Targovishte | 5,065.50 mi (8,152.13 km) |
| Eastlake to Teteven | 4,993.27 mi (8,035.89 km) |
| Eastlake to Troyan | 5,011.95 mi (8,065.96 km) |
| Eastlake to Tryavna | 5,042.45 mi (8,115.03 km) |
| Eastlake to Tutrakan | 5,029.72 mi (8,094.56 km) |
| Eastlake to Varna | 5,116.55 mi (8,234.30 km) |
