| Spearfish to Popovo | 5,633.20 mi (9,065.75 km) |
| Spearfish to Provadia | 5,675.85 mi (9,134.40 km) |
| Spearfish to Radnevo | 5,685.25 mi (9,149.52 km) |
| Spearfish to Radomir | 5,584.86 mi (8,987.96 km) |
| Spearfish to Rakitovo | 5,650.17 mi (9,093.07 km) |
| Spearfish to Rakovski | 5,658.33 mi (9,106.21 km) |
| Spearfish to Razgrad | 5,630.46 mi (9,061.35 km) |
| Spearfish to Razlog | 5,637.74 mi (9,073.06 km) |
| Spearfish to Ruse | 5,598.23 mi (9,009.49 km) |
| Spearfish to Samokov | 5,614.66 mi (9,035.93 km) |
| Spearfish to Sandanski | 5,650.11 mi (9,092.97 km) |
| Spearfish to Sevlievo | 5,620.40 mi (9,045.16 km) |
| Spearfish to Shumen | 5,656.37 mi (9,103.04 km) |
| Spearfish to Silistra | 5,616.97 mi (9,039.64 km) |
| Spearfish to Sliven | 5,674.41 mi (9,132.09 km) |
