| Lugo to Popovo | 1,690.43 mi (2,720.49 km) |
| Lugo to Provadia | 1,751.89 mi (2,819.40 km) |
| Lugo to Radnevo | 1,690.73 mi (2,720.96 km) |
| Lugo to Radomir | 1,538.42 mi (2,475.85 km) |
| Lugo to Rakitovo | 1,603.46 mi (2,580.52 km) |
| Lugo to Rakovski | 1,642.72 mi (2,643.69 km) |
| Lugo to Razgrad | 1,702.01 mi (2,739.13 km) |
| Lugo to Razlog | 1,574.22 mi (2,533.46 km) |
| Lugo to Ruse | 1,670.77 mi (2,688.84 km) |
| Lugo to Samokov | 1,571.67 mi (2,529.36 km) |
| Lugo to Sandanski | 1,570.14 mi (2,526.90 km) |
| Lugo to Sevlievo | 1,639.40 mi (2,638.36 km) |
| Lugo to Shumen | 1,725.85 mi (2,777.48 km) |
| Lugo to Silistra | 1,731.34 mi (2,786.32 km) |
| Lugo to Sliven | 1,704.74 mi (2,743.51 km) |
