| Rancho Palos Verdes to Popovo | 6,660.19 mi (10,718.54 km) |
| Rancho Palos Verdes to Provadia | 6,699.15 mi (10,781.24 km) |
| Rancho Palos Verdes to Radnevo | 6,716.16 mi (10,808.61 km) |
| Rancho Palos Verdes to Radomir | 6,624.29 mi (10,660.77 km) |
| Rancho Palos Verdes to Rakitovo | 6,687.74 mi (10,762.88 km) |
| Rancho Palos Verdes to Rakovski | 6,692.39 mi (10,770.36 km) |
| Rancho Palos Verdes to Razgrad | 6,655.97 mi (10,711.74 km) |
| Rancho Palos Verdes to Razlog | 6,677.39 mi (10,746.21 km) |
| Rancho Palos Verdes to Ruse | 6,624.83 mi (10,661.63 km) |
| Rancho Palos Verdes to Samokov | 6,652.89 mi (10,706.79 km) |
| Rancho Palos Verdes to Sandanski | 6,691.08 mi (10,768.25 km) |
| Rancho Palos Verdes to Sevlievo | 6,651.99 mi (10,705.35 km) |
| Rancho Palos Verdes to Shumen | 6,681.14 mi (10,752.26 km) |
| Rancho Palos Verdes to Silistra | 6,638.18 mi (10,683.11 km) |
| Rancho Palos Verdes to Sliven | 6,702.94 mi (10,787.33 km) |
