| Southfield to Popovo | 5,076.04 mi (8,169.09 km) |
| Southfield to Provadia | 5,127.55 mi (8,252.00 km) |
| Southfield to Radnevo | 5,114.99 mi (8,231.79 km) |
| Southfield to Radomir | 4,991.56 mi (8,033.14 km) |
| Southfield to Rakitovo | 5,060.77 mi (8,144.52 km) |
| Southfield to Rakovski | 5,079.56 mi (8,174.76 km) |
| Southfield to Razgrad | 5,077.61 mi (8,171.62 km) |
| Southfield to Razlog | 5,042.08 mi (8,114.45 km) |
| Southfield to Ruse | 5,043.42 mi (8,116.60 km) |
| Southfield to Samokov | 5,024.32 mi (8,085.86 km) |
| Southfield to Sandanski | 5,049.73 mi (8,126.76 km) |
| Southfield to Sevlievo | 5,050.29 mi (8,127.66 km) |
| Southfield to Shumen | 5,104.66 mi (8,215.16 km) |
| Southfield to Silistra | 5,076.49 mi (8,169.82 km) |
| Southfield to Sliven | 5,111.47 mi (8,226.11 km) |
