| Hockley to Popovo | 1,315.20 mi (2,116.61 km) |
| Hockley to Provadia | 1,371.46 mi (2,207.16 km) |
| Hockley to Radnevo | 1,345.47 mi (2,165.33 km) |
| Hockley to Radomir | 1,214.82 mi (1,955.07 km) |
| Hockley to Rakitovo | 1,284.50 mi (2,067.21 km) |
| Hockley to Rakovski | 1,306.74 mi (2,103.00 km) |
| Hockley to Razgrad | 1,319.79 mi (2,124.00 km) |
| Hockley to Razlog | 1,264.45 mi (2,034.94 km) |
| Hockley to Ruse | 1,285.28 mi (2,068.46 km) |
| Hockley to Samokov | 1,248.11 mi (2,008.64 km) |
| Hockley to Sandanski | 1,271.29 mi (2,045.94 km) |
| Hockley to Sevlievo | 1,282.13 mi (2,063.38 km) |
| Hockley to Shumen | 1,346.80 mi (2,167.46 km) |
| Hockley to Silistra | 1,328.74 mi (2,138.41 km) |
| Hockley to Sliven | 1,345.99 mi (2,166.17 km) |