| Markham to Cadiz | 4,213.08 mi (6,780.29 km) |
| Markham to Calafell | 4,394.51 mi (7,072.29 km) |
| Markham to Calahorra | 4,199.91 mi (6,759.10 km) |
| Markham to Calasparra | 4,362.03 mi (7,020.00 km) |
| Markham to Calatayud | 4,248.93 mi (6,837.99 km) |
| Markham to Caldas de Montbuy | 4,403.91 mi (7,087.40 km) |
| Markham to Caldas de Reyes | 3,894.19 mi (6,267.09 km) |
| Markham to Calella | 4,425.88 mi (7,122.76 km) |
| Markham to Callosa de Segura | 4,403.32 mi (7,086.46 km) |
| Markham to Calpe | 4,424.91 mi (7,121.20 km) |
| Markham to Calvia | 4,498.47 mi (7,239.58 km) |
| Markham to Camas | 4,193.59 mi (6,748.93 km) |
| Markham to Cambados | 3,890.28 mi (6,260.79 km) |
| Markham to Cambre | 3,885.75 mi (6,253.52 km) |
| Markham to Cambrils | 4,377.27 mi (7,044.54 km) |
