| Ronkonkoma to Civril | 5,124.69 mi (8,247.39 km) |
| Ronkonkoma to Cizre | 5,666.51 mi (9,119.37 km) |
| Ronkonkoma to Cobanlar | 5,150.06 mi (8,288.22 km) |
| Ronkonkoma to Corlu | 4,920.62 mi (7,918.98 km) |
| Ronkonkoma to Corum | 5,233.37 mi (8,422.29 km) |
| Ronkonkoma to Cukurca | 5,724.57 mi (9,212.81 km) |
| Ronkonkoma to Cukurcayir | 5,395.38 mi (8,683.02 km) |
| Ronkonkoma to Cumayeri | 5,060.14 mi (8,143.51 km) |
| Ronkonkoma to Cumra | 5,282.82 mi (8,501.88 km) |
| Ronkonkoma to Cungus | 5,512.08 mi (8,870.84 km) |
| Ronkonkoma to Dargecit | 5,638.20 mi (9,073.81 km) |
| Ronkonkoma to Davutlar | 5,047.03 mi (8,122.41 km) |
| Ronkonkoma to Demirozu | 5,440.30 mi (8,755.31 km) |
| Ronkonkoma to Demre | 5,226.53 mi (8,411.28 km) |
| Ronkonkoma to Denizciler | 5,465.92 mi (8,796.54 km) |
