| Ronkonkoma to Cavaillon | 3,843.32 mi (6,185.23 km) |
| Ronkonkoma to Cebazat | 3,698.98 mi (5,952.94 km) |
| Ronkonkoma to Cenon | 3,563.71 mi (5,735.24 km) |
| Ronkonkoma to Cergy | 3,569.41 mi (5,744.41 km) |
| Ronkonkoma to Cernay | 3,818.35 mi (6,145.04 km) |
| Ronkonkoma to Cesson | 3,604.07 mi (5,800.19 km) |
| Ronkonkoma to Cesson-Sevigne | 3,434.37 mi (5,527.09 km) |
| Ronkonkoma to Cestas | 3,559.95 mi (5,729.18 km) |
| Ronkonkoma to Chalette-sur-Loing | 3,624.14 mi (5,832.49 km) |
| Ronkonkoma to Challans | 3,452.69 mi (5,556.58 km) |
| Ronkonkoma to Chalon-sur-Saone | 3,748.65 mi (6,032.87 km) |
| Ronkonkoma to Chalons-en-Champagne | 3,668.33 mi (5,903.60 km) |
| Ronkonkoma to Chamalieres | 3,699.14 mi (5,953.20 km) |
| Ronkonkoma to Chambery | 3,829.78 mi (6,163.44 km) |
| Ronkonkoma to Chambly | 3,573.97 mi (5,751.75 km) |
