| Cities | Distance |
|---|---|
| Colleferro to Popovo | 681.27 mi (1,096.41 km) |
| Colleferro to Provadia | 740.74 mi (1,192.10 km) |
| Colleferro to Radnevo | 663.56 mi (1,067.90 km) |
| Colleferro to Radomir | 511.72 mi (823.53 km) |
| Colleferro to Rakitovo | 569.36 mi (916.29 km) |
| Colleferro to Rakovski | 614.11 mi (988.32 km) |
| Colleferro to Razgrad | 696.60 mi (1,121.06 km) |
| Colleferro to Razlog | 537.95 mi (865.75 km) |
| Colleferro to Ruse | 671.04 mi (1,079.93 km) |
| Colleferro to Samokov | 542.08 mi (872.39 km) |
| Colleferro to Sandanski | 529.79 mi (852.62 km) |
| Colleferro to Sevlievo | 623.26 mi (1,003.04 km) |
| Colleferro to Shumen | 716.01 mi (1,152.31 km) |
| Colleferro to Silistra | 738.20 mi (1,188.02 km) |
| Colleferro to Sliven | 683.95 mi (1,100.71 km) |