| Bad Neuenahr-Ahrweiler to Castelfiorentino | 512.77 mi (825.22 km) |
| Bad Neuenahr-Ahrweiler to Castelfranco di Sopra | 521.69 mi (839.58 km) |
| Bad Neuenahr-Ahrweiler to Castelfranco di Sotto | 502.72 mi (809.05 km) |
| Bad Neuenahr-Ahrweiler to Castelfranco Emilia | 449.97 mi (724.16 km) |
| Bad Neuenahr-Ahrweiler to Castelfranco Veneto | 403.60 mi (649.53 km) |
| Bad Neuenahr-Ahrweiler to Castellabate | 803.74 mi (1,293.49 km) |
| Bad Neuenahr-Ahrweiler to Castellammare del Golfo | 910.05 mi (1,464.59 km) |
| Bad Neuenahr-Ahrweiler to Castellammare di Stabia | 767.16 mi (1,234.63 km) |
| Bad Neuenahr-Ahrweiler to Castellamonte | 357.78 mi (575.79 km) |
| Bad Neuenahr-Ahrweiler to Castellana Grotte | 823.54 mi (1,325.36 km) |
| Bad Neuenahr-Ahrweiler to Castellaneta | 831.75 mi (1,338.57 km) |
| Bad Neuenahr-Ahrweiler to Castellanza | 350.31 mi (563.77 km) |
| Bad Neuenahr-Ahrweiler to Castellarano | 446.94 mi (719.29 km) |
| Bad Neuenahr-Ahrweiler to Castelleone | 382.76 mi (615.99 km) |
| Bad Neuenahr-Ahrweiler to Castelletto sopra Ticino | 340.85 mi (548.54 km) |
