| Calabasas to Popovo | 6,643.65 mi (10,691.92 km) |
| Calabasas to Provadia | 6,682.29 mi (10,754.10 km) |
| Calabasas to Radnevo | 6,699.95 mi (10,782.53 km) |
| Calabasas to Radomir | 6,608.94 mi (10,636.07 km) |
| Calabasas to Rakitovo | 6,672.19 mi (10,737.85 km) |
| Calabasas to Rakovski | 6,676.49 mi (10,744.77 km) |
| Calabasas to Razgrad | 6,639.30 mi (10,684.92 km) |
| Calabasas to Razlog | 6,662.05 mi (10,721.53 km) |
| Calabasas to Ruse | 6,608.26 mi (10,634.97 km) |
| Calabasas to Samokov | 6,637.41 mi (10,681.88 km) |
| Calabasas to Sandanski | 6,675.88 mi (10,743.79 km) |
| Calabasas to Sevlievo | 6,635.87 mi (10,679.40 km) |
| Calabasas to Shumen | 6,664.41 mi (10,725.33 km) |
| Calabasas to Silistra | 6,621.16 mi (10,655.72 km) |
| Calabasas to Sliven | 6,686.52 mi (10,760.91 km) |
