| Lake Ronkonkoma to Castrovillari | 4,477.90 mi (7,206.49 km) |
| Lake Ronkonkoma to Catania | 4,516.27 mi (7,268.23 km) |
| Lake Ronkonkoma to Catanzaro | 4,530.70 mi (7,291.47 km) |
| Lake Ronkonkoma to Cattolica | 4,175.92 mi (6,720.50 km) |
| Lake Ronkonkoma to Cava de' Tirreni | 4,378.37 mi (7,046.31 km) |
| Lake Ronkonkoma to Cavallino | 4,546.84 mi (7,317.44 km) |
| Lake Ronkonkoma to Cavarzere | 4,108.31 mi (6,611.69 km) |
| Lake Ronkonkoma to Cave | 4,259.79 mi (6,855.47 km) |
| Lake Ronkonkoma to Cavriago | 4,056.28 mi (6,527.96 km) |
| Lake Ronkonkoma to Cavriglia | 4,137.05 mi (6,657.94 km) |
| Lake Ronkonkoma to Cazzago San Martino | 4,005.85 mi (6,446.80 km) |
| Lake Ronkonkoma to Ceccano | 4,286.38 mi (6,898.27 km) |
| Lake Ronkonkoma to Cecina | 4,101.48 mi (6,600.70 km) |
| Lake Ronkonkoma to Cefalu | 4,447.03 mi (7,156.81 km) |
| Lake Ronkonkoma to Ceglie Messapico | 4,503.46 mi (7,247.62 km) |
