| Blue Ash to Popovo | 5,275.14 mi (8,489.52 km) |
| Blue Ash to Provadia | 5,327.65 mi (8,574.02 km) |
| Blue Ash to Radnevo | 5,312.13 mi (8,549.05 km) |
| Blue Ash to Radomir | 5,185.87 mi (8,345.85 km) |
| Blue Ash to Rakitovo | 5,255.37 mi (8,457.69 km) |
| Blue Ash to Rakovski | 5,275.63 mi (8,490.30 km) |
| Blue Ash to Razgrad | 5,277.29 mi (8,492.98 km) |
| Blue Ash to Razlog | 5,235.82 mi (8,426.24 km) |
| Blue Ash to Ruse | 5,242.97 mi (8,437.75 km) |
| Blue Ash to Samokov | 5,218.93 mi (8,399.05 km) |
| Blue Ash to Sandanski | 5,242.73 mi (8,437.36 km) |
| Blue Ash to Sevlievo | 5,247.71 mi (8,445.38 km) |
| Blue Ash to Shumen | 5,304.39 mi (8,536.58 km) |
| Blue Ash to Silistra | 5,277.80 mi (8,493.80 km) |
| Blue Ash to Sliven | 5,309.64 mi (8,545.04 km) |
