| Henderson to Popovo | 6,437.22 mi (10,359.70 km) |
| Henderson to Provadia | 6,477.40 mi (10,424.36 km) |
| Henderson to Radnevo | 6,491.94 mi (10,447.78 km) |
| Henderson to Radomir | 6,397.17 mi (10,295.26 km) |
| Henderson to Rakitovo | 6,461.29 mi (10,398.45 km) |
| Henderson to Rakovski | 6,467.12 mi (10,407.82 km) |
| Henderson to Razgrad | 6,433.47 mi (10,353.67 km) |
| Henderson to Razlog | 6,450.22 mi (10,380.63 km) |
| Henderson to Ruse | 6,401.96 mi (10,302.96 km) |
| Henderson to Samokov | 6,426.20 mi (10,341.97 km) |
| Henderson to Sandanski | 6,463.47 mi (10,401.95 km) |
| Henderson to Sevlievo | 6,427.52 mi (10,344.09 km) |
| Henderson to Shumen | 6,458.90 mi (10,394.60 km) |
| Henderson to Silistra | 6,417.04 mi (10,327.24 km) |
| Henderson to Sliven | 6,479.50 mi (10,427.74 km) |
