| Tualatin to Popovo | 6,017.57 mi (9,684.34 km) |
| Tualatin to Provadia | 6,049.81 mi (9,736.23 km) |
| Tualatin to Radnevo | 6,079.62 mi (9,784.21 km) |
| Tualatin to Radomir | 6,005.73 mi (9,665.29 km) |
| Tualatin to Rakitovo | 6,064.39 mi (9,759.70 km) |
| Tualatin to Rakovski | 6,062.06 mi (9,755.94 km) |
| Tualatin to Razgrad | 6,010.89 mi (9,673.59 km) |
| Tualatin to Razlog | 6,058.48 mi (9,750.19 km) |
| Tualatin to Ruse | 5,982.04 mi (9,627.16 km) |
| Tualatin to Samokov | 6,031.39 mi (9,706.58 km) |
| Tualatin to Sandanski | 6,074.80 mi (9,776.44 km) |
| Tualatin to Sevlievo | 6,017.65 mi (9,684.46 km) |
| Tualatin to Shumen | 6,034.49 mi (9,711.57 km) |
| Tualatin to Silistra | 5,986.35 mi (9,634.10 km) |
| Tualatin to Sliven | 6,062.35 mi (9,756.40 km) |
