| Rocklin to Popovo | 6,406.96 mi (10,311.00 km) |
| Rocklin to Provadia | 6,442.36 mi (10,367.97 km) |
| Rocklin to Radnevo | 6,466.35 mi (10,406.58 km) |
| Rocklin to Radomir | 6,383.92 mi (10,273.93 km) |
| Rocklin to Rakitovo | 6,444.97 mi (10,372.17 km) |
| Rocklin to Rakovski | 6,445.87 mi (10,373.63 km) |
| Rocklin to Razgrad | 6,401.39 mi (10,302.04 km) |
| Rocklin to Razlog | 6,436.97 mi (10,359.30 km) |
| Rocklin to Ruse | 6,371.42 mi (10,253.81 km) |
| Rocklin to Samokov | 6,411.02 mi (10,317.54 km) |
| Rocklin to Sandanski | 6,452.10 mi (10,383.65 km) |
| Rocklin to Sevlievo | 6,403.21 mi (10,304.98 km) |
| Rocklin to Shumen | 6,425.77 mi (10,341.27 km) |
| Rocklin to Silistra | 6,379.89 mi (10,267.44 km) |
| Rocklin to Sliven | 6,450.90 mi (10,381.72 km) |
