| Harper Woods to Cadiz | 3,965.72 mi (6,382.21 km) |
| Harper Woods to Calafell | 4,155.99 mi (6,688.42 km) |
| Harper Woods to Calahorra | 3,960.68 mi (6,374.10 km) |
| Harper Woods to Calasparra | 4,118.19 mi (6,627.59 km) |
| Harper Woods to Calatayud | 4,008.66 mi (6,451.31 km) |
| Harper Woods to Caldas de Montbuy | 4,166.34 mi (6,705.08 km) |
| Harper Woods to Caldas de Reyes | 3,651.80 mi (5,877.01 km) |
| Harper Woods to Calella | 4,188.62 mi (6,740.93 km) |
| Harper Woods to Callosa de Segura | 4,159.80 mi (6,694.55 km) |
| Harper Woods to Calpe | 4,182.43 mi (6,730.97 km) |
| Harper Woods to Calvia | 4,258.48 mi (6,853.36 km) |
| Harper Woods to Camas | 3,947.02 mi (6,352.12 km) |
| Harper Woods to Cambados | 3,647.69 mi (5,870.39 km) |
| Harper Woods to Cambre | 3,644.39 mi (5,865.09 km) |
| Harper Woods to Cambrils | 4,138.26 mi (6,659.88 km) |
