| Ronkonkoma to Cognac | 3,550.62 mi (5,714.17 km) |
| Ronkonkoma to Cogolin | 3,928.23 mi (6,321.88 km) |
| Ronkonkoma to Colmar | 3,817.96 mi (6,144.41 km) |
| Ronkonkoma to Colombes | 3,580.22 mi (5,761.80 km) |
| Ronkonkoma to Colomiers | 3,682.93 mi (5,927.10 km) |
| Ronkonkoma to Combs-la-Ville | 3,599.67 mi (5,793.10 km) |
| Ronkonkoma to Comines | 3,566.55 mi (5,739.80 km) |
| Ronkonkoma to Compiegne | 3,591.94 mi (5,780.67 km) |
| Ronkonkoma to Concarneau | 3,338.86 mi (5,373.37 km) |
| Ronkonkoma to Conde-sur-l'Escaut | 3,598.06 mi (5,790.52 km) |
| Ronkonkoma to Conflans-Sainte-Honorine | 3,571.82 mi (5,748.29 km) |
| Ronkonkoma to Corbas | 3,782.74 mi (6,087.74 km) |
| Ronkonkoma to Corbeil-Essonnes | 3,597.78 mi (5,790.07 km) |
| Ronkonkoma to Cormeilles-en-Parisis | 3,576.81 mi (5,756.32 km) |
| Ronkonkoma to Cosne sur Loire | 3,648.15 mi (5,871.13 km) |
