| Lake Ronkonkoma to Cehegin | 3,699.82 mi (5,954.28 km) |
| Lake Ronkonkoma to Cervello | 3,775.98 mi (6,076.85 km) |
| Lake Ronkonkoma to Cervera | 3,735.83 mi (6,012.24 km) |
| Lake Ronkonkoma to Ceuti | 3,725.75 mi (5,996.01 km) |
| Lake Ronkonkoma to Cheste | 3,710.31 mi (5,971.17 km) |
| Lake Ronkonkoma to Chiclana de la Frontera | 3,538.53 mi (5,694.71 km) |
| Lake Ronkonkoma to Chipiona | 3,514.69 mi (5,656.34 km) |
| Lake Ronkonkoma to Chiva | 3,708.88 mi (5,968.87 km) |
| Lake Ronkonkoma to Churriana de la Vega | 3,639.09 mi (5,856.54 km) |
| Lake Ronkonkoma to Ciempozuelos | 3,549.66 mi (5,712.62 km) |
| Lake Ronkonkoma to Cieza | 3,713.61 mi (5,976.47 km) |
| Lake Ronkonkoma to Cisterniga | 3,457.72 mi (5,564.67 km) |
| Lake Ronkonkoma to Ciudad de Melilla | 3,733.77 mi (6,008.92 km) |
| Lake Ronkonkoma to Ciudad Real | 3,569.95 mi (5,745.27 km) |
| Lake Ronkonkoma to Ciudad-Rodrigo | 3,397.01 mi (5,466.96 km) |
