| Radcliff to Popovo | 5,404.43 mi (8,697.59 km) |
| Radcliff to Provadia | 5,457.00 mi (8,782.19 km) |
| Radcliff to Radnevo | 5,441.27 mi (8,756.88 km) |
| Radcliff to Radomir | 5,314.75 mi (8,553.26 km) |
| Radcliff to Rakitovo | 5,384.27 mi (8,665.15 km) |
| Radcliff to Rakovski | 5,404.67 mi (8,697.98 km) |
| Radcliff to Razgrad | 5,406.62 mi (8,701.11 km) |
| Radcliff to Razlog | 5,364.64 mi (8,633.56 km) |
| Radcliff to Ruse | 5,372.29 mi (8,645.87 km) |
| Radcliff to Samokov | 5,347.84 mi (8,606.51 km) |
| Radcliff to Sandanski | 5,371.46 mi (8,644.53 km) |
| Radcliff to Sevlievo | 5,376.88 mi (8,653.25 km) |
| Radcliff to Shumen | 5,433.72 mi (8,744.72 km) |
| Radcliff to Silistra | 5,407.22 mi (8,702.08 km) |
| Radcliff to Sliven | 5,438.86 mi (8,753.00 km) |
