| Monterey to Smolyan | 6,637.32 mi (10,681.73 km) |
| Monterey to Sofia | 6,536.77 mi (10,519.91 km) |
| Monterey to Sopot | 6,572.42 mi (10,577.29 km) |
| Monterey to Sozopol | 6,651.02 mi (10,703.79 km) |
| Monterey to Sredets | 6,644.71 mi (10,693.63 km) |
| Monterey to Stamboliyski | 6,599.48 mi (10,620.83 km) |
| Monterey to Stara Zagora | 6,605.96 mi (10,631.26 km) |
| Monterey to Svilengrad | 6,659.66 mi (10,717.69 km) |
| Monterey to Svishtov | 6,525.73 mi (10,502.15 km) |
| Monterey to Targovishte | 6,575.15 mi (10,581.68 km) |
| Monterey to Teteven | 6,545.00 mi (10,533.15 km) |
| Monterey to Troyan | 6,557.22 mi (10,552.83 km) |
| Monterey to Tryavna | 6,575.66 mi (10,582.50 km) |
| Monterey to Tutrakan | 6,525.72 mi (10,502.14 km) |
| Monterey to Varna | 6,605.02 mi (10,629.75 km) |
