| Green Bay to Collegno | 4,381.15 mi (7,050.78 km) |
| Green Bay to Cologno al Serio | 4,441.23 mi (7,147.47 km) |
| Green Bay to Cologno Monzese | 4,427.55 mi (7,125.45 km) |
| Green Bay to Colorno | 4,495.23 mi (7,234.37 km) |
| Green Bay to Comacchio | 4,573.62 mi (7,360.54 km) |
| Green Bay to Comiso | 5,023.68 mi (8,084.83 km) |
| Green Bay to Como | 4,408.24 mi (7,094.38 km) |
| Green Bay to Concordia Sagittaria | 4,551.25 mi (7,324.52 km) |
| Green Bay to Concorezzo | 4,427.13 mi (7,124.78 km) |
| Green Bay to Conegliano | 4,525.48 mi (7,283.05 km) |
| Green Bay to Conselice | 4,568.52 mi (7,352.32 km) |
| Green Bay to Conselve | 4,538.17 mi (7,303.48 km) |
| Green Bay to Conversano | 4,931.71 mi (7,936.82 km) |
| Green Bay to Copertino | 5,000.51 mi (8,047.55 km) |
| Green Bay to Copparo | 4,551.59 mi (7,325.08 km) |
