| Gadsden to Popovo | 5,599.47 mi (9,011.47 km) |
| Gadsden to Provadia | 5,653.42 mi (9,098.31 km) |
| Gadsden to Radnevo | 5,633.32 mi (9,065.96 km) |
| Gadsden to Radomir | 5,502.89 mi (8,856.05 km) |
| Gadsden to Rakitovo | 5,572.70 mi (8,968.39 km) |
| Gadsden to Rakovski | 5,595.22 mi (9,004.63 km) |
| Gadsden to Razgrad | 5,602.51 mi (9,016.37 km) |
| Gadsden to Razlog | 5,551.86 mi (8,934.86 km) |
| Gadsden to Ruse | 5,568.05 mi (8,960.92 km) |
| Gadsden to Samokov | 5,536.36 mi (8,909.90 km) |
| Gadsden to Sandanski | 5,557.59 mi (8,944.08 km) |
| Gadsden to Sevlievo | 5,569.47 mi (8,963.19 km) |
| Gadsden to Shumen | 5,629.63 mi (9,060.02 km) |
| Gadsden to Silistra | 5,605.57 mi (9,021.29 km) |
| Gadsden to Sliven | 5,632.45 mi (9,064.55 km) |
