| Thousand Oaks to Popovo | 6,645.23 mi (10,694.46 km) |
| Thousand Oaks to Provadia | 6,683.71 mi (10,756.40 km) |
| Thousand Oaks to Radnevo | 6,701.68 mi (10,785.31 km) |
| Thousand Oaks to Radomir | 6,611.05 mi (10,639.46 km) |
| Thousand Oaks to Rakitovo | 6,674.20 mi (10,741.09 km) |
| Thousand Oaks to Rakovski | 6,678.35 mi (10,747.76 km) |
| Thousand Oaks to Razgrad | 6,640.82 mi (10,687.36 km) |
| Thousand Oaks to Razlog | 6,664.16 mi (10,724.93 km) |
| Thousand Oaks to Ruse | 6,609.83 mi (10,637.49 km) |
| Thousand Oaks to Samokov | 6,639.46 mi (10,685.18 km) |
| Thousand Oaks to Sandanski | 6,678.05 mi (10,747.28 km) |
| Thousand Oaks to Sevlievo | 6,637.63 mi (10,682.24 km) |
| Thousand Oaks to Shumen | 6,665.89 mi (10,727.72 km) |
| Thousand Oaks to Silistra | 6,622.51 mi (10,657.91 km) |
| Thousand Oaks to Sliven | 6,688.15 mi (10,763.54 km) |
