| Ulstein to Popovo | 1,549.58 mi (2,493.80 km) |
| Ulstein to Provadia | 1,585.97 mi (2,552.37 km) |
| Ulstein to Radnevo | 1,609.37 mi (2,590.03 km) |
| Ulstein to Radomir | 1,535.24 mi (2,470.73 km) |
| Ulstein to Rakitovo | 1,592.88 mi (2,563.49 km) |
| Ulstein to Rakovski | 1,590.53 mi (2,559.71 km) |
| Ulstein to Razgrad | 1,544.20 mi (2,485.14 km) |
| Ulstein to Razlog | 1,587.74 mi (2,555.22 km) |
| Ulstein to Ruse | 1,514.05 mi (2,436.62 km) |
| Ulstein to Samokov | 1,560.18 mi (2,510.87 km) |
| Ulstein to Sandanski | 1,604.70 mi (2,582.52 km) |
| Ulstein to Sevlievo | 1,546.71 mi (2,489.18 km) |
| Ulstein to Shumen | 1,568.80 mi (2,524.74 km) |
| Ulstein to Silistra | 1,524.32 mi (2,453.16 km) |
| Ulstein to Sliven | 1,593.52 mi (2,564.53 km) |
