| West Valley City to Popovo | 6,075.09 mi (9,776.92 km) |
| West Valley City to Provadia | 6,115.21 mi (9,841.49 km) |
| West Valley City to Radnevo | 6,129.94 mi (9,865.18 km) |
| West Valley City to Radomir | 6,035.69 mi (9,713.51 km) |
| West Valley City to Rakitovo | 6,099.66 mi (9,816.45 km) |
| West Valley City to Rakovski | 6,105.26 mi (9,825.47 km) |
| West Valley City to Razgrad | 6,071.32 mi (9,770.84 km) |
| West Valley City to Razlog | 6,088.75 mi (9,798.90 km) |
| West Valley City to Ruse | 6,039.83 mi (9,720.16 km) |
| West Valley City to Samokov | 6,064.61 mi (9,760.05 km) |
| West Valley City to Sandanski | 6,102.12 mi (9,820.41 km) |
| West Valley City to Sevlievo | 6,065.54 mi (9,761.55 km) |
| West Valley City to Shumen | 6,096.74 mi (9,811.75 km) |
| West Valley City to Silistra | 6,054.85 mi (9,744.34 km) |
| West Valley City to Sliven | 6,117.41 mi (9,845.02 km) |
