| Richmond Heights to Popovo | 5,055.17 mi (8,135.51 km) |
| Richmond Heights to Provadia | 5,107.62 mi (8,219.93 km) |
| Richmond Heights to Radnevo | 5,092.32 mi (8,195.29 km) |
| Richmond Heights to Radomir | 4,966.36 mi (7,992.58 km) |
| Richmond Heights to Rakitovo | 5,035.82 mi (8,104.38 km) |
| Richmond Heights to Rakovski | 5,055.91 mi (8,136.71 km) |
| Richmond Heights to Razgrad | 5,057.29 mi (8,138.91 km) |
| Richmond Heights to Razlog | 5,016.39 mi (8,073.10 km) |
| Richmond Heights to Ruse | 5,022.97 mi (8,083.70 km) |
| Richmond Heights to Samokov | 4,999.38 mi (8,045.73 km) |
| Richmond Heights to Sandanski | 5,023.40 mi (8,084.38 km) |
| Richmond Heights to Sevlievo | 5,027.87 mi (8,091.57 km) |
| Richmond Heights to Shumen | 5,084.38 mi (8,182.52 km) |
| Richmond Heights to Silistra | 5,057.73 mi (8,139.63 km) |
| Richmond Heights to Sliven | 5,089.73 mi (8,191.14 km) |
