| Yambol to Castelli Calepio | 850.75 mi (1,369.15 km) |
| Yambol to Castelnovo ne' Monti | 817.24 mi (1,315.22 km) |
| Yambol to Castelnuovo Berardenga | 760.11 mi (1,223.28 km) |
| Yambol to Castelnuovo di Porto | 714.95 mi (1,150.60 km) |
| Yambol to Castelnuovo di Verona | 807.16 mi (1,299.00 km) |
| Yambol to Castelnuovo Rangone | 791.65 mi (1,274.04 km) |
| Yambol to Castelvetrano | 795.64 mi (1,280.45 km) |
| Yambol to Castelvetro di Modena | 790.54 mi (1,272.25 km) |
| Yambol to Castenaso | 765.04 mi (1,231.22 km) |
| Yambol to Castenedolo | 830.07 mi (1,335.86 km) |
| Yambol to Castiglion Fiorentino | 739.29 mi (1,189.77 km) |
| Yambol to Castiglione del Lago | 733.02 mi (1,179.69 km) |
| Yambol to Castiglione delle Stiviere | 819.59 mi (1,319.01 km) |
| Yambol to Castrolibero | 580.21 mi (933.76 km) |
| Yambol to Castrovillari | 566.22 mi (911.24 km) |
