| Sanford to Popovo | 5,666.93 mi (9,120.04 km) |
| Sanford to Provadia | 5,723.91 mi (9,211.74 km) |
| Sanford to Radnevo | 5,692.97 mi (9,161.95 km) |
| Sanford to Radomir | 5,554.15 mi (8,938.54 km) |
| Sanford to Rakitovo | 5,623.98 mi (9,050.91 km) |
| Sanford to Rakovski | 5,651.48 mi (9,095.19 km) |
| Sanford to Razgrad | 5,672.11 mi (9,128.38 km) |
| Sanford to Razlog | 5,600.40 mi (9,012.98 km) |
| Sanford to Ruse | 5,637.64 mi (9,072.90 km) |
| Sanford to Samokov | 5,588.20 mi (8,993.34 km) |
| Sanford to Sandanski | 5,603.42 mi (9,017.83 km) |
| Sanford to Sevlievo | 5,631.05 mi (9,062.30 km) |
| Sanford to Shumen | 5,699.04 mi (9,171.72 km) |
| Sanford to Silistra | 5,681.43 mi (9,143.37 km) |
| Sanford to Sliven | 5,695.95 mi (9,166.74 km) |
