| Alenquer to Castelfidardo | 1,206.84 mi (1,942.22 km) |
| Alenquer to Castelfiorentino | 1,080.42 mi (1,738.77 km) |
| Alenquer to Castelfranco di Sopra | 1,109.87 mi (1,786.16 km) |
| Alenquer to Castelfranco di Sotto | 1,071.01 mi (1,723.62 km) |
| Alenquer to Castelfranco Emilia | 1,098.62 mi (1,768.06 km) |
| Alenquer to Castelfranco Veneto | 1,158.81 mi (1,864.93 km) |
| Alenquer to Castellabate | 1,273.82 mi (2,050.01 km) |
| Alenquer to Castellammare del Golfo | 1,182.68 mi (1,903.33 km) |
| Alenquer to Castellammare di Stabia | 1,247.42 mi (2,007.52 km) |
| Alenquer to Castellamonte | 958.78 mi (1,543.01 km) |
| Alenquer to Castellana Grotte | 1,387.10 mi (2,232.33 km) |
| Alenquer to Castellaneta | 1,376.01 mi (2,214.48 km) |
| Alenquer to Castellanza | 1,018.33 mi (1,638.85 km) |
| Alenquer to Castellarano | 1,085.24 mi (1,746.53 km) |
| Alenquer to Castelleone | 1,050.65 mi (1,690.86 km) |
