| Arecibo to Collegno | 4,566.76 mi (7,349.48 km) |
| Arecibo to Cologno al Serio | 4,667.95 mi (7,512.34 km) |
| Arecibo to Cologno Monzese | 4,647.84 mi (7,479.97 km) |
| Arecibo to Colorno | 4,704.42 mi (7,571.03 km) |
| Arecibo to Comacchio | 4,793.75 mi (7,714.79 km) |
| Arecibo to Comiso | 4,993.95 mi (8,036.98 km) |
| Arecibo to Como | 4,637.39 mi (7,463.16 km) |
| Arecibo to Concordia Sagittaria | 4,818.36 mi (7,754.40 km) |
| Arecibo to Concorezzo | 4,650.35 mi (7,484.02 km) |
| Arecibo to Conegliano | 4,791.05 mi (7,710.46 km) |
| Arecibo to Conselice | 4,777.91 mi (7,689.31 km) |
| Arecibo to Conselve | 4,774.67 mi (7,684.10 km) |
| Arecibo to Conversano | 5,077.81 mi (8,171.94 km) |
| Arecibo to Copertino | 5,134.91 mi (8,263.85 km) |
| Arecibo to Copparo | 4,775.29 mi (7,685.08 km) |
