| Castiglion Fiorentino to Popovo | 718.35 mi (1,156.07 km) |
| Castiglion Fiorentino to Provadia | 779.55 mi (1,254.57 km) |
| Castiglion Fiorentino to Radnevo | 713.02 mi (1,147.50 km) |
| Castiglion Fiorentino to Radomir | 560.18 mi (901.52 km) |
| Castiglion Fiorentino to Rakitovo | 624.57 mi (1,005.15 km) |
| Castiglion Fiorentino to Rakovski | 664.55 mi (1,069.50 km) |
| Castiglion Fiorentino to Razgrad | 731.54 mi (1,177.30 km) |
| Castiglion Fiorentino to Razlog | 595.29 mi (958.03 km) |
| Castiglion Fiorentino to Ruse | 702.38 mi (1,130.36 km) |
| Castiglion Fiorentino to Samokov | 593.13 mi (954.55 km) |
| Castiglion Fiorentino to Sandanski | 591.62 mi (952.12 km) |
| Castiglion Fiorentino to Sevlievo | 664.40 mi (1,069.24 km) |
| Castiglion Fiorentino to Shumen | 753.81 mi (1,213.14 km) |
| Castiglion Fiorentino to Silistra | 766.71 mi (1,233.89 km) |
| Castiglion Fiorentino to Sliven | 728.74 mi (1,172.80 km) |
