| Harper Woods to Collegno | 4,266.87 mi (6,866.86 km) |
| Harper Woods to Cologno al Serio | 4,333.72 mi (6,974.44 km) |
| Harper Woods to Cologno Monzese | 4,318.88 mi (6,950.57 km) |
| Harper Woods to Colorno | 4,386.47 mi (7,059.34 km) |
| Harper Woods to Comacchio | 4,467.93 mi (7,190.43 km) |
| Harper Woods to Comiso | 4,893.94 mi (7,876.04 km) |
| Harper Woods to Como | 4,300.37 mi (6,920.78 km) |
| Harper Woods to Concordia Sagittaria | 4,451.47 mi (7,163.95 km) |
| Harper Woods to Concorezzo | 4,318.85 mi (6,950.52 km) |
| Harper Woods to Conegliano | 4,424.97 mi (7,121.30 km) |
| Harper Woods to Conselice | 4,461.28 mi (7,179.73 km) |
| Harper Woods to Conselve | 4,433.97 mi (7,135.78 km) |
| Harper Woods to Conversano | 4,823.09 mi (7,762.01 km) |
| Harper Woods to Copertino | 4,891.63 mi (7,872.32 km) |
| Harper Woods to Copparo | 4,445.93 mi (7,155.04 km) |
