| Markham to Carmona | 4,209.82 mi (6,775.06 km) |
| Markham to Cartagena | 4,418.72 mi (7,111.25 km) |
| Markham to Cartama | 4,284.46 mi (6,895.17 km) |
| Markham to Cartaya | 4,145.76 mi (6,671.95 km) |
| Markham to Caspe | 4,323.45 mi (6,957.92 km) |
| Markham to Cassa de la Selva | 4,424.43 mi (7,120.43 km) |
| Markham to Castalla | 4,394.63 mi (7,072.47 km) |
| Markham to Castellbisbal | 4,401.87 mi (7,084.12 km) |
| Markham to Castelldefels | 4,409.13 mi (7,095.82 km) |
| Markham to Castello de Ampurias | 4,418.84 mi (7,111.44 km) |
| Markham to Castellon de la Plana | 4,370.43 mi (7,033.53 km) |
| Markham to Castilleja de la Cuesta | 4,193.49 mi (6,748.77 km) |
| Markham to Catarroja | 4,375.91 mi (7,042.34 km) |
| Markham to Catral | 4,405.29 mi (7,089.63 km) |
| Markham to Caudete | 4,376.24 mi (7,042.88 km) |
