| Ladera Ranch to Popovo | 6,655.32 mi (10,710.70 km) |
| Ladera Ranch to Provadia | 6,694.81 mi (10,774.25 km) |
| Ladera Ranch to Radnevo | 6,710.74 mi (10,799.90 km) |
| Ladera Ranch to Radomir | 6,617.53 mi (10,649.88 km) |
| Ladera Ranch to Rakitovo | 6,681.30 mi (10,752.52 km) |
| Ladera Ranch to Rakovski | 6,686.50 mi (10,760.87 km) |
| Ladera Ranch to Razgrad | 6,651.30 mi (10,704.23 km) |
| Ladera Ranch to Razlog | 6,670.61 mi (10,735.30 km) |
| Ladera Ranch to Ruse | 6,620.00 mi (10,653.86 km) |
| Ladera Ranch to Samokov | 6,646.33 mi (10,696.24 km) |
| Ladera Ranch to Sandanski | 6,684.08 mi (10,756.99 km) |
| Ladera Ranch to Sevlievo | 6,646.46 mi (10,696.44 km) |
| Ladera Ranch to Shumen | 6,676.59 mi (10,744.93 km) |
| Ladera Ranch to Silistra | 6,634.09 mi (10,676.53 km) |
| Ladera Ranch to Sliven | 6,697.86 mi (10,779.17 km) |
