| Johnstown to Collegno | 4,185.91 mi (6,736.57 km) |
| Johnstown to Cologno al Serio | 4,258.58 mi (6,853.52 km) |
| Johnstown to Cologno Monzese | 4,242.77 mi (6,828.08 km) |
| Johnstown to Colorno | 4,309.93 mi (6,936.17 km) |
| Johnstown to Comacchio | 4,393.77 mi (7,071.09 km) |
| Johnstown to Comiso | 4,796.08 mi (7,718.54 km) |
| Johnstown to Como | 4,225.07 mi (6,799.60 km) |
| Johnstown to Concordia Sagittaria | 4,382.75 mi (7,053.35 km) |
| Johnstown to Concorezzo | 4,243.09 mi (6,828.60 km) |
| Johnstown to Conegliano | 4,355.71 mi (7,009.84 km) |
| Johnstown to Conselice | 4,385.75 mi (7,058.18 km) |
| Johnstown to Conselve | 4,361.33 mi (7,018.88 km) |
| Johnstown to Conversano | 4,744.63 mi (7,635.74 km) |
| Johnstown to Copertino | 4,812.63 mi (7,745.18 km) |
| Johnstown to Copparo | 4,371.91 mi (7,035.92 km) |
