| Omurtag to Castelfiorentino | 775.92 mi (1,248.72 km) |
| Omurtag to Castelfranco di Sopra | 746.28 mi (1,201.02 km) |
| Omurtag to Castelfranco di Sotto | 786.43 mi (1,265.63 km) |
| Omurtag to Castelfranco Emilia | 771.35 mi (1,241.37 km) |
| Omurtag to Castelfranco Veneto | 735.72 mi (1,184.03 km) |
| Omurtag to Castellabate | 622.19 mi (1,001.32 km) |
| Omurtag to Castellammare del Golfo | 790.99 mi (1,272.98 km) |
| Omurtag to Castellammare di Stabia | 635.36 mi (1,022.52 km) |
| Omurtag to Castellamonte | 936.99 mi (1,507.94 km) |
| Omurtag to Castellana Grotte | 498.79 mi (802.73 km) |
| Omurtag to Castellaneta | 516.52 mi (831.26 km) |
| Omurtag to Castellanza | 880.76 mi (1,417.44 km) |
| Omurtag to Castellarano | 784.53 mi (1,262.58 km) |
| Omurtag to Castelleone | 837.32 mi (1,347.53 km) |
| Omurtag to Castelletto sopra Ticino | 894.21 mi (1,439.09 km) |
