| Yuba City to Popovo | 6,394.21 mi (10,290.49 km) |
| Yuba City to Provadia | 6,429.25 mi (10,346.88 km) |
| Yuba City to Radnevo | 6,453.92 mi (10,386.57 km) |
| Yuba City to Radomir | 6,372.42 mi (10,255.42 km) |
| Yuba City to Rakitovo | 6,433.22 mi (10,353.26 km) |
| Yuba City to Rakovski | 6,433.76 mi (10,354.14 km) |
| Yuba City to Razgrad | 6,388.51 mi (10,281.32 km) |
| Yuba City to Razlog | 6,425.44 mi (10,340.75 km) |
| Yuba City to Ruse | 6,358.67 mi (10,233.28 km) |
| Yuba City to Samokov | 6,399.36 mi (10,298.78 km) |
| Yuba City to Sandanski | 6,440.71 mi (10,365.32 km) |
| Yuba City to Sevlievo | 6,390.90 mi (10,285.16 km) |
| Yuba City to Shumen | 6,412.81 mi (10,320.41 km) |
| Yuba City to Silistra | 6,366.66 mi (10,246.15 km) |
| Yuba City to Sliven | 6,438.26 mi (10,361.37 km) |
