| Alamogordo to Smolyan | 6,412.25 mi (10,319.52 km) |
| Alamogordo to Sofia | 6,308.03 mi (10,151.79 km) |
| Alamogordo to Sopot | 6,357.09 mi (10,230.75 km) |
| Alamogordo to Sozopol | 6,463.26 mi (10,401.61 km) |
| Alamogordo to Sredets | 6,451.31 mi (10,382.38 km) |
| Alamogordo to Stamboliyski | 6,377.53 mi (10,263.64 km) |
| Alamogordo to Stara Zagora | 6,397.68 mi (10,296.07 km) |
| Alamogordo to Svilengrad | 6,451.24 mi (10,382.27 km) |
| Alamogordo to Svishtov | 6,324.62 mi (10,178.49 km) |
| Alamogordo to Targovishte | 6,383.08 mi (10,272.57 km) |
| Alamogordo to Teteven | 6,327.26 mi (10,182.74 km) |
| Alamogordo to Troyan | 6,343.59 mi (10,209.02 km) |
| Alamogordo to Tryavna | 6,369.59 mi (10,250.87 km) |
| Alamogordo to Tutrakan | 6,340.69 mi (10,204.36 km) |
| Alamogordo to Varna | 6,426.02 mi (10,341.68 km) |
