| Allen Park to Collegno | 4,285.80 mi (6,897.33 km) |
| Allen Park to Cologno al Serio | 4,352.68 mi (7,004.96 km) |
| Allen Park to Cologno Monzese | 4,337.84 mi (6,981.08 km) |
| Allen Park to Colorno | 4,405.42 mi (7,089.85 km) |
| Allen Park to Comacchio | 4,486.89 mi (7,220.96 km) |
| Allen Park to Comiso | 4,912.75 mi (7,906.31 km) |
| Allen Park to Como | 4,319.33 mi (6,951.29 km) |
| Allen Park to Concordia Sagittaria | 4,470.45 mi (7,194.49 km) |
| Allen Park to Concorezzo | 4,337.81 mi (6,981.03 km) |
| Allen Park to Conegliano | 4,443.95 mi (7,151.84 km) |
| Allen Park to Conselice | 4,480.24 mi (7,210.25 km) |
| Allen Park to Conselve | 4,452.94 mi (7,166.31 km) |
| Allen Park to Conversano | 4,842.04 mi (7,792.51 km) |
| Allen Park to Copertino | 4,910.58 mi (7,902.82 km) |
| Allen Park to Copparo | 4,464.90 mi (7,185.56 km) |
