| Lake Ronkonkoma to Carmona | 3,531.81 mi (5,683.90 km) |
| Lake Ronkonkoma to Cartagena | 3,755.03 mi (6,043.14 km) |
| Lake Ronkonkoma to Cartama | 3,604.57 mi (5,800.99 km) |
| Lake Ronkonkoma to Cartaya | 3,462.46 mi (5,572.29 km) |
| Lake Ronkonkoma to Caspe | 3,687.94 mi (5,935.16 km) |
| Lake Ronkonkoma to Cassa de la Selva | 3,803.20 mi (6,120.66 km) |
| Lake Ronkonkoma to Castalla | 3,738.45 mi (6,016.45 km) |
| Lake Ronkonkoma to Castellbisbal | 3,774.60 mi (6,074.63 km) |
| Lake Ronkonkoma to Castelldefels | 3,780.37 mi (6,083.92 km) |
| Lake Ronkonkoma to Castello de Ampurias | 3,801.11 mi (6,117.30 km) |
| Lake Ronkonkoma to Castellon de la Plana | 3,725.81 mi (5,996.11 km) |
| Lake Ronkonkoma to Castilleja de la Cuesta | 3,513.81 mi (5,654.92 km) |
| Lake Ronkonkoma to Catarroja | 3,726.05 mi (5,996.50 km) |
| Lake Ronkonkoma to Catral | 3,745.78 mi (6,028.25 km) |
| Lake Ronkonkoma to Caudete | 3,719.81 mi (5,986.46 km) |
