| Ronkonkoma to Chicago Ridge (Illinois) | 762.84 mi (1,227.68 km) |
| Ronkonkoma to Chickasha (Oklahoma) | 1,404.89 mi (2,260.95 km) |
| Ronkonkoma to Chico (California) | 2,533.91 mi (4,077.93 km) |
| Ronkonkoma to Chicopee (Massachusetts) | 99.06 mi (159.43 km) |
| Ronkonkoma to Chillicothe (Ohio) | 531.23 mi (854.94 km) |
| Ronkonkoma to Chillum (Maryland) | 240.53 mi (387.10 km) |
| Ronkonkoma to Chino (California) | 2,462.93 mi (3,963.71 km) |
| Ronkonkoma to Chino Hills (California) | 2,467.00 mi (3,970.25 km) |
| Ronkonkoma to Chino Valley (Arizona) | 2,167.00 mi (3,487.45 km) |
| Ronkonkoma to Chippewa Falls (Wisconsin) | 965.58 mi (1,553.95 km) |
| Ronkonkoma to Choctaw (Oklahoma) | 1,357.58 mi (2,184.81 km) |
| Ronkonkoma to Chowchilla (California) | 2,513.57 mi (4,045.20 km) |
| Ronkonkoma to Christiansburg (Virginia) | 465.52 mi (749.18 km) |
| Ronkonkoma to Chubbuck (Idaho) | 2,010.95 mi (3,236.32 km) |
| Ronkonkoma to Chula Vista (California) | 2,468.77 mi (3,973.10 km) |
