| Silistra to Castelfiorentino | 811.22 mi (1,305.53 km) |
| Silistra to Castelfranco di Sopra | 781.69 mi (1,258.00 km) |
| Silistra to Castelfranco di Sotto | 820.99 mi (1,321.26 km) |
| Silistra to Castelfranco Emilia | 800.06 mi (1,287.57 km) |
| Silistra to Castelfranco Veneto | 756.65 mi (1,217.71 km) |
| Silistra to Castellabate | 682.65 mi (1,098.62 km) |
| Silistra to Castellammare del Golfo | 857.41 mi (1,379.86 km) |
| Silistra to Castellammare di Stabia | 692.68 mi (1,114.76 km) |
| Silistra to Castellamonte | 960.82 mi (1,546.29 km) |
| Silistra to Castellana Grotte | 560.14 mi (901.46 km) |
| Silistra to Castellaneta | 578.94 mi (931.71 km) |
| Silistra to Castellanza | 903.05 mi (1,453.32 km) |
| Silistra to Castellarano | 813.42 mi (1,309.08 km) |
| Silistra to Castelleone | 861.48 mi (1,386.41 km) |
| Silistra to Castelletto sopra Ticino | 915.94 mi (1,474.07 km) |
