| Madison to Popovo | 5,262.29 mi (8,468.84 km) |
| Madison to Provadia | 5,311.48 mi (8,548.00 km) |
| Madison to Radnevo | 5,305.30 mi (8,538.06 km) |
| Madison to Radomir | 5,187.99 mi (8,349.27 km) |
| Madison to Rakitovo | 5,256.41 mi (8,459.37 km) |
| Madison to Rakovski | 5,272.18 mi (8,484.75 km) |
| Madison to Razgrad | 5,262.61 mi (8,469.35 km) |
| Madison to Razlog | 5,239.46 mi (8,432.09 km) |
| Madison to Ruse | 5,228.81 mi (8,414.96 km) |
| Madison to Samokov | 5,220.05 mi (8,400.86 km) |
| Madison to Sandanski | 5,248.53 mi (8,446.69 km) |
| Madison to Sevlievo | 5,240.22 mi (8,433.32 km) |
| Madison to Shumen | 5,289.47 mi (8,512.57 km) |
| Madison to Silistra | 5,257.84 mi (8,461.67 km) |
| Madison to Sliven | 5,299.61 mi (8,528.90 km) |
