| Ardmore to Popovo | 6,000.33 mi (9,656.60 km) |
| Ardmore to Provadia | 6,050.17 mi (9,736.81 km) |
| Ardmore to Radnevo | 6,042.10 mi (9,723.83 km) |
| Ardmore to Radomir | 5,922.46 mi (9,531.28 km) |
| Ardmore to Rakitovo | 5,991.23 mi (9,641.96 km) |
| Ardmore to Rakovski | 6,008.16 mi (9,669.20 km) |
| Ardmore to Razgrad | 6,000.99 mi (9,657.66 km) |
| Ardmore to Razlog | 5,973.56 mi (9,613.51 km) |
| Ardmore to Ruse | 5,967.08 mi (9,603.08 km) |
| Ardmore to Samokov | 5,954.82 mi (9,583.36 km) |
| Ardmore to Sandanski | 5,982.02 mi (9,627.13 km) |
| Ardmore to Sevlievo | 5,977.12 mi (9,619.24 km) |
| Ardmore to Shumen | 6,027.91 mi (9,700.99 km) |
| Ardmore to Silistra | 5,997.13 mi (9,651.44 km) |
| Ardmore to Sliven | 6,037.10 mi (9,715.78 km) |
