| Markham to Cehegin | 4,362.77 mi (7,021.20 km) |
| Markham to Cervello | 4,403.93 mi (7,087.44 km) |
| Markham to Cervera | 4,363.97 mi (7,023.13 km) |
| Markham to Ceuti | 4,387.20 mi (7,060.52 km) |
| Markham to Cheste | 4,360.50 mi (7,017.54 km) |
| Markham to Chiclana de la Frontera | 4,224.37 mi (6,798.47 km) |
| Markham to Chipiona | 4,199.40 mi (6,758.29 km) |
| Markham to Chiva | 4,359.23 mi (7,015.51 km) |
| Markham to Churriana de la Vega | 4,313.49 mi (6,941.90 km) |
| Markham to Ciempozuelos | 4,203.87 mi (6,765.47 km) |
| Markham to Cieza | 4,374.45 mi (7,040.00 km) |
| Markham to Cisterniga | 4,104.31 mi (6,605.24 km) |
| Markham to Ciudad de Melilla | 4,417.35 mi (7,109.03 km) |
| Markham to Ciudad Real | 4,233.20 mi (6,812.67 km) |
| Markham to Ciudad-Rodrigo | 4,056.41 mi (6,528.16 km) |
