| Lake Ronkonkoma to Cervignano del Friuli | 4,138.38 mi (6,660.07 km) |
| Lake Ronkonkoma to Cesa | 4,347.91 mi (6,997.29 km) |
| Lake Ronkonkoma to Cesano Maderno | 3,966.52 mi (6,383.49 km) |
| Lake Ronkonkoma to Cesena | 4,148.94 mi (6,677.07 km) |
| Lake Ronkonkoma to Cesenatico | 4,153.33 mi (6,684.14 km) |
| Lake Ronkonkoma to Cetraro | 4,478.79 mi (7,207.92 km) |
| Lake Ronkonkoma to Cherasco | 3,941.90 mi (6,343.87 km) |
| Lake Ronkonkoma to Chiampo | 4,060.61 mi (6,534.93 km) |
| Lake Ronkonkoma to Chiaravalle | 4,214.52 mi (6,782.61 km) |
| Lake Ronkonkoma to Chiari | 4,001.73 mi (6,440.16 km) |
| Lake Ronkonkoma to Chiavari | 4,016.65 mi (6,464.18 km) |
| Lake Ronkonkoma to Chieri | 3,928.57 mi (6,322.42 km) |
| Lake Ronkonkoma to Chieti | 4,294.91 mi (6,911.99 km) |
| Lake Ronkonkoma to Chioggia | 4,113.96 mi (6,620.78 km) |
| Lake Ronkonkoma to Chiusi | 4,174.56 mi (6,718.30 km) |
