| Harmanli to Cassino | 622.54 mi (1,001.88 km) |
| Harmanli to Castagneto Carducci | 782.31 mi (1,259.01 km) |
| Harmanli to Castano Primo | 889.03 mi (1,430.76 km) |
| Harmanli to Castel Bolognese | 728.86 mi (1,172.99 km) |
| Harmanli to Castel Gandolfo | 681.39 mi (1,096.59 km) |
| Harmanli to Castel Goffredo | 804.40 mi (1,294.55 km) |
| Harmanli to Castel Maggiore | 752.56 mi (1,211.13 km) |
| Harmanli to Castel Mella | 822.64 mi (1,323.92 km) |
| Harmanli to Castel San Giorgio | 585.82 mi (942.78 km) |
| Harmanli to Castel San Giovanni | 851.36 mi (1,370.13 km) |
| Harmanli to Castel San Pietro Terme | 740.28 mi (1,191.37 km) |
| Harmanli to Castel Volturno | 622.67 mi (1,002.09 km) |
| Harmanli to Castelbuono | 682.75 mi (1,098.79 km) |
| Harmanli to Casteldaccia | 706.64 mi (1,137.22 km) |
| Harmanli to Castelfidardo | 635.55 mi (1,022.82 km) |
