| Gulf Shores to Popovo | 5,856.40 mi (9,424.96 km) |
| Gulf Shores to Provadia | 5,911.09 mi (9,512.97 km) |
| Gulf Shores to Radnevo | 5,888.51 mi (9,476.64 km) |
| Gulf Shores to Radomir | 5,755.93 mi (9,263.27 km) |
| Gulf Shores to Rakitovo | 5,825.82 mi (9,375.75 km) |
| Gulf Shores to Rakovski | 5,849.57 mi (9,413.97 km) |
| Gulf Shores to Razgrad | 5,859.92 mi (9,430.63 km) |
| Gulf Shores to Razlog | 5,804.29 mi (9,341.11 km) |
| Gulf Shores to Ruse | 5,825.42 mi (9,375.11 km) |
| Gulf Shores to Samokov | 5,789.57 mi (9,317.42 km) |
| Gulf Shores to Sandanski | 5,809.35 mi (9,349.25 km) |
| Gulf Shores to Sevlievo | 5,825.03 mi (9,374.47 km) |
| Gulf Shores to Shumen | 5,887.03 mi (9,474.26 km) |
| Gulf Shores to Silistra | 5,864.34 mi (9,437.75 km) |
| Gulf Shores to Sliven | 5,888.52 mi (9,476.66 km) |
