| Piedmont to Popovo | 6,490.28 mi (10,445.09 km) |
| Piedmont to Provadia | 6,525.38 mi (10,501.58 km) |
| Piedmont to Radnevo | 6,549.92 mi (10,541.08 km) |
| Piedmont to Radomir | 6,468.16 mi (10,409.50 km) |
| Piedmont to Rakitovo | 6,529.04 mi (10,507.47 km) |
| Piedmont to Rakovski | 6,529.69 mi (10,508.51 km) |
| Piedmont to Razgrad | 6,484.60 mi (10,435.96 km) |
| Piedmont to Razlog | 6,521.19 mi (10,494.85 km) |
| Piedmont to Ruse | 6,454.73 mi (10,387.89 km) |
| Piedmont to Samokov | 6,495.16 mi (10,452.94 km) |
| Piedmont to Sandanski | 6,536.41 mi (10,519.34 km) |
| Piedmont to Sevlievo | 6,486.87 mi (10,439.61 km) |
| Piedmont to Shumen | 6,508.91 mi (10,475.08 km) |
| Piedmont to Silistra | 6,462.81 mi (10,400.88 km) |
| Piedmont to Sliven | 6,534.30 mi (10,515.95 km) |
