| Imperial Beach to Smolyan | 6,767.30 mi (10,890.91 km) |
| Imperial Beach to Sofia | 6,664.61 mi (10,725.65 km) |
| Imperial Beach to Sopot | 6,705.92 mi (10,792.14 km) |
| Imperial Beach to Sozopol | 6,796.06 mi (10,937.20 km) |
| Imperial Beach to Sredets | 6,787.47 mi (10,923.37 km) |
| Imperial Beach to Stamboliyski | 6,730.47 mi (10,831.65 km) |
| Imperial Beach to Stara Zagora | 6,742.51 mi (10,851.03 km) |
| Imperial Beach to Svilengrad | 6,796.51 mi (10,937.93 km) |
| Imperial Beach to Svishtov | 6,664.64 mi (10,725.70 km) |
| Imperial Beach to Targovishte | 6,717.98 mi (10,811.55 km) |
| Imperial Beach to Teteven | 6,677.35 mi (10,746.15 km) |
| Imperial Beach to Troyan | 6,691.31 mi (10,768.62 km) |
| Imperial Beach to Tryavna | 6,712.91 mi (10,803.38 km) |
| Imperial Beach to Tutrakan | 6,671.02 mi (10,735.98 km) |
| Imperial Beach to Varna | 6,753.22 mi (10,868.25 km) |
