| Boone to Cehegin | 4,253.70 mi (6,845.67 km) |
| Boone to Cervello | 4,335.73 mi (6,977.69 km) |
| Boone to Cervera | 4,295.61 mi (6,913.11 km) |
| Boone to Ceuti | 4,279.95 mi (6,887.92 km) |
| Boone to Cheste | 4,266.96 mi (6,867.02 km) |
| Boone to Chiclana de la Frontera | 4,085.49 mi (6,574.97 km) |
| Boone to Chipiona | 4,062.16 mi (6,537.41 km) |
| Boone to Chiva | 4,265.51 mi (6,864.67 km) |
| Boone to Churriana de la Vega | 4,189.86 mi (6,742.93 km) |
| Boone to Ciempozuelos | 4,105.78 mi (6,607.62 km) |
| Boone to Cieza | 4,267.98 mi (6,868.65 km) |
| Boone to Cisterniga | 4,015.38 mi (6,462.14 km) |
| Boone to Ciudad de Melilla | 4,281.11 mi (6,889.78 km) |
| Boone to Ciudad Real | 4,124.00 mi (6,636.94 km) |
| Boone to Ciudad-Rodrigo | 3,952.30 mi (6,360.62 km) |
