| Ronkonkoma to Cedar Park (Texas) | 1,550.62 mi (2,495.48 km) |
| Ronkonkoma to Cedar Rapids (Iowa) | 963.27 mi (1,550.23 km) |
| Ronkonkoma to Cedarburg (Wisconsin) | 780.71 mi (1,256.42 km) |
| Ronkonkoma to Celebration (Florida) | 986.26 mi (1,587.23 km) |
| Ronkonkoma to Celina (Ohio) | 599.15 mi (964.24 km) |
| Ronkonkoma to Celina (Texas) | 1,398.37 mi (2,250.46 km) |
| Ronkonkoma to Centennial (Colorado) | 1,668.14 mi (2,684.61 km) |
| Ronkonkoma to Center Point (Alabama) | 893.50 mi (1,437.96 km) |
| Ronkonkoma to Centereach (New York) | 4.97 mi (8.00 km) |
| Ronkonkoma to Centerton (Arkansas) | 1,180.87 mi (1,900.43 km) |
| Ronkonkoma to Centerville (Ohio) | 586.60 mi (944.05 km) |
| Ronkonkoma to Centerville (Utah) | 2,008.35 mi (3,232.13 km) |
| Ronkonkoma to Central (Louisiana) | 1,225.53 mi (1,972.29 km) |
| Ronkonkoma to Central Falls (Rhode Island) | 117.03 mi (188.35 km) |
| Ronkonkoma to Central Islip (New York) | 3.91 mi (6.29 km) |
