| Collado-Villalba to Popovo | 1,555.68 mi (2,503.63 km) |
| Collado-Villalba to Provadia | 1,616.72 mi (2,601.86 km) |
| Collado-Villalba to Radnevo | 1,546.48 mi (2,488.82 km) |
| Collado-Villalba to Radomir | 1,393.42 mi (2,242.49 km) |
| Collado-Villalba to Rakitovo | 1,454.41 mi (2,340.65 km) |
| Collado-Villalba to Rakovski | 1,497.34 mi (2,409.73 km) |
| Collado-Villalba to Razgrad | 1,569.13 mi (2,525.27 km) |
| Collado-Villalba to Razlog | 1,423.58 mi (2,291.03 km) |
| Collado-Villalba to Ruse | 1,540.08 mi (2,478.53 km) |
| Collado-Villalba to Samokov | 1,425.27 mi (2,293.75 km) |
| Collado-Villalba to Sandanski | 1,416.45 mi (2,279.56 km) |
| Collado-Villalba to Sevlievo | 1,500.77 mi (2,415.26 km) |
| Collado-Villalba to Shumen | 1,591.10 mi (2,560.63 km) |
| Collado-Villalba to Silistra | 1,604.21 mi (2,581.73 km) |
| Collado-Villalba to Sliven | 1,564.21 mi (2,517.35 km) |
