| Harper Woods to Cividale del Friuli | 4,460.86 mi (7,179.06 km) |
| Harper Woods to Civita Castellana | 4,574.94 mi (7,362.66 km) |
| Harper Woods to Civitanova Marche | 4,587.24 mi (7,382.44 km) |
| Harper Woods to Civitavecchia | 4,557.89 mi (7,335.21 km) |
| Harper Woods to Civitella in Val di Chiana | 4,500.87 mi (7,243.45 km) |
| Harper Woods to Clusone | 4,332.14 mi (6,971.90 km) |
| Harper Woods to Coccaglio | 4,345.64 mi (6,993.64 km) |
| Harper Woods to Codigoro | 4,459.91 mi (7,177.54 km) |
| Harper Woods to Codogno | 4,350.29 mi (7,001.12 km) |
| Harper Woods to Codroipo | 4,448.67 mi (7,159.45 km) |
| Harper Woods to Cogoleto | 4,337.05 mi (6,979.82 km) |
| Harper Woods to Colle di Val d'Elsa | 4,477.76 mi (7,206.26 km) |
| Harper Woods to Colle Salvetti | 4,443.20 mi (7,150.63 km) |
| Harper Woods to Collecchio | 4,386.93 mi (7,060.09 km) |
| Harper Woods to Colleferro | 4,623.18 mi (7,440.29 km) |
