| Spalding to Popovo | 1,370.72 mi (2,205.96 km) |
| Spalding to Provadia | 1,425.63 mi (2,294.34 km) |
| Spalding to Radnevo | 1,404.38 mi (2,260.13 km) |
| Spalding to Radomir | 1,277.86 mi (2,056.52 km) |
| Spalding to Rakitovo | 1,347.17 mi (2,168.05 km) |
| Spalding to Rakovski | 1,367.20 mi (2,200.30 km) |
| Spalding to Razgrad | 1,374.34 mi (2,211.78 km) |
| Spalding to Razlog | 1,328.36 mi (2,137.80 km) |
| Spalding to Ruse | 1,339.83 mi (2,156.24 km) |
| Spalding to Samokov | 1,310.72 mi (2,109.39 km) |
| Spalding to Sandanski | 1,336.27 mi (2,150.52 km) |
| Spalding to Sevlievo | 1,340.34 mi (2,157.06 km) |
| Spalding to Shumen | 1,401.44 mi (2,255.40 km) |
| Spalding to Silistra | 1,380.39 mi (2,221.53 km) |
| Spalding to Sliven | 1,403.25 mi (2,258.31 km) |
