| Huelva to Popovo | 1,786.01 mi (2,874.31 km) |
| Huelva to Provadia | 1,846.03 mi (2,970.90 km) |
| Huelva to Radnevo | 1,769.20 mi (2,847.25 km) |
| Huelva to Radomir | 1,617.60 mi (2,603.28 km) |
| Huelva to Rakitovo | 1,674.20 mi (2,694.36 km) |
| Huelva to Rakovski | 1,719.73 mi (2,767.64 km) |
| Huelva to Razgrad | 1,800.73 mi (2,898.00 km) |
| Huelva to Razlog | 1,642.39 mi (2,643.17 km) |
| Huelva to Ruse | 1,773.67 mi (2,854.45 km) |
| Huelva to Samokov | 1,647.79 mi (2,651.87 km) |
| Huelva to Sandanski | 1,632.58 mi (2,627.39 km) |
| Huelva to Sevlievo | 1,728.72 mi (2,782.11 km) |
| Huelva to Shumen | 1,821.02 mi (2,930.66 km) |
| Huelva to Silistra | 1,839.69 mi (2,960.70 km) |
| Huelva to Sliven | 1,789.83 mi (2,880.45 km) |
