| Arecibo to Castelfidardo | 4,870.77 mi (7,838.75 km) |
| Arecibo to Castelfiorentino | 4,741.33 mi (7,630.43 km) |
| Arecibo to Castelfranco di Sopra | 4,770.61 mi (7,677.56 km) |
| Arecibo to Castelfranco di Sotto | 4,729.89 mi (7,612.02 km) |
| Arecibo to Castelfranco Emilia | 4,739.13 mi (7,626.90 km) |
| Arecibo to Castelfranco Veneto | 4,775.04 mi (7,684.69 km) |
| Arecibo to Castellabate | 4,974.07 mi (8,005.00 km) |
| Arecibo to Castellammare del Golfo | 4,888.76 mi (7,867.70 km) |
| Arecibo to Castellammare di Stabia | 4,945.04 mi (7,958.27 km) |
| Arecibo to Castellamonte | 4,572.59 mi (7,358.87 km) |
| Arecibo to Castellana Grotte | 5,081.41 mi (8,177.75 km) |
| Arecibo to Castellaneta | 5,072.51 mi (8,163.42 km) |
| Arecibo to Castellanza | 4,629.21 mi (7,449.99 km) |
| Arecibo to Castellarano | 4,726.11 mi (7,605.94 km) |
| Arecibo to Castelleone | 4,672.27 mi (7,519.29 km) |
