| Santona to Popovo | 1,482.67 mi (2,386.12 km) |
| Santona to Provadia | 1,544.13 mi (2,485.04 km) |
| Santona to Radnevo | 1,482.65 mi (2,386.09 km) |
| Santona to Radomir | 1,330.34 mi (2,140.97 km) |
| Santona to Rakitovo | 1,395.42 mi (2,245.72 km) |
| Santona to Rakovski | 1,434.63 mi (2,308.81 km) |
| Santona to Razgrad | 1,494.37 mi (2,404.96 km) |
| Santona to Razlog | 1,366.23 mi (2,198.74 km) |
| Santona to Ruse | 1,463.27 mi (2,354.90 km) |
| Santona to Samokov | 1,363.60 mi (2,194.49 km) |
| Santona to Sandanski | 1,362.29 mi (2,192.40 km) |
| Santona to Sevlievo | 1,431.43 mi (2,303.67 km) |
| Santona to Shumen | 1,518.10 mi (2,443.14 km) |
| Santona to Silistra | 1,524.18 mi (2,452.94 km) |
| Santona to Sliven | 1,496.73 mi (2,408.75 km) |
