| Cities | Distance |
|---|---|
| Surdulica to Popovo | 210.29 mi (338.44 km) |
| Surdulica to Provadia | 268.45 mi (432.03 km) |
| Surdulica to Radnevo | 193.77 mi (311.84 km) |
| Surdulica to Radomir | 41.04 mi (66.05 km) |
| Surdulica to Rakitovo | 109.51 mi (176.25 km) |
| Surdulica to Rakovski | 145.30 mi (233.84 km) |
| Surdulica to Razgrad | 226.87 mi (365.10 km) |
| Surdulica to Razlog | 86.93 mi (139.90 km) |
| Surdulica to Ruse | 205.84 mi (331.27 km) |
| Surdulica to Samokov | 74.90 mi (120.53 km) |
| Surdulica to Sandanski | 96.57 mi (155.42 km) |
| Surdulica to Sevlievo | 150.94 mi (242.91 km) |
| Surdulica to Shumen | 244.25 mi (393.08 km) |
| Surdulica to Silistra | 273.84 mi (440.71 km) |
| Surdulica to Sliven | 211.56 mi (340.48 km) |