| Crystal to Popovo | 5,291.70 mi (8,516.17 km) |
| Crystal to Provadia | 5,338.53 mi (8,591.53 km) |
| Crystal to Radnevo | 5,338.34 mi (8,591.22 km) |
| Crystal to Radomir | 5,227.29 mi (8,412.51 km) |
| Crystal to Rakitovo | 5,294.69 mi (8,520.98 km) |
| Crystal to Rakovski | 5,307.53 mi (8,541.64 km) |
| Crystal to Razgrad | 5,290.84 mi (8,514.79 km) |
| Crystal to Razlog | 5,279.46 mi (8,496.47 km) |
| Crystal to Ruse | 5,257.55 mi (8,461.21 km) |
| Crystal to Samokov | 5,258.56 mi (8,462.83 km) |
| Crystal to Sandanski | 5,289.86 mi (8,513.20 km) |
| Crystal to Sevlievo | 5,273.15 mi (8,486.32 km) |
| Crystal to Shumen | 5,317.42 mi (8,557.56 km) |
| Crystal to Silistra | 5,282.72 mi (8,501.71 km) |
| Crystal to Sliven | 5,330.64 mi (8,578.83 km) |
