| Solsona to Popovo | 1,254.44 mi (2,018.83 km) |
| Solsona to Provadia | 1,315.57 mi (2,117.20 km) |
| Solsona to Radnevo | 1,246.62 mi (2,006.24 km) |
| Solsona to Radomir | 1,093.49 mi (1,759.81 km) |
| Solsona to Rakitovo | 1,155.48 mi (1,859.57 km) |
| Solsona to Rakovski | 1,197.64 mi (1,927.41 km) |
| Solsona to Razgrad | 1,267.73 mi (2,040.22 km) |
| Solsona to Razlog | 1,125.00 mi (1,810.51 km) |
| Solsona to Ruse | 1,238.52 mi (1,993.20 km) |
| Solsona to Samokov | 1,125.68 mi (1,811.61 km) |
| Solsona to Sandanski | 1,118.73 mi (1,800.41 km) |
| Solsona to Sevlievo | 1,199.93 mi (1,931.11 km) |
| Solsona to Shumen | 1,289.89 mi (2,075.87 km) |
| Solsona to Silistra | 1,302.51 mi (2,096.19 km) |
| Solsona to Sliven | 1,263.71 mi (2,033.75 km) |
