| Grover Beach to Smolyan | 6,699.75 mi (10,782.20 km) |
| Grover Beach to Sofia | 6,598.48 mi (10,619.22 km) |
| Grover Beach to Sopot | 6,635.82 mi (10,679.32 km) |
| Grover Beach to Sozopol | 6,717.84 mi (10,811.32 km) |
| Grover Beach to Sredets | 6,710.86 mi (10,800.09 km) |
| Grover Beach to Stamboliyski | 6,662.17 mi (10,721.72 km) |
| Grover Beach to Stara Zagora | 6,670.28 mi (10,734.77 km) |
| Grover Beach to Svilengrad | 6,724.11 mi (10,821.42 km) |
| Grover Beach to Svishtov | 6,590.66 mi (10,606.65 km) |
| Grover Beach to Targovishte | 6,641.27 mi (10,688.09 km) |
| Grover Beach to Teteven | 6,608.03 mi (10,634.60 km) |
| Grover Beach to Troyan | 6,620.78 mi (10,655.11 km) |
| Grover Beach to Tryavna | 6,640.15 mi (10,686.29 km) |
| Grover Beach to Tutrakan | 6,592.51 mi (10,609.62 km) |
| Grover Beach to Varna | 6,672.71 mi (10,738.70 km) |
