| Lake Ronkonkoma to Chivasso | 3,925.87 mi (6,318.08 km) |
| Lake Ronkonkoma to Ciampino | 4,245.65 mi (6,832.71 km) |
| Lake Ronkonkoma to Cicciano | 4,361.19 mi (7,018.65 km) |
| Lake Ronkonkoma to Cingoli | 4,217.61 mi (6,787.58 km) |
| Lake Ronkonkoma to Cinisello Balsamo | 3,972.12 mi (6,392.51 km) |
| Lake Ronkonkoma to Cinisi | 4,400.15 mi (7,081.36 km) |
| Lake Ronkonkoma to Cirie | 3,912.02 mi (6,295.79 km) |
| Lake Ronkonkoma to Ciro Marina | 4,536.15 mi (7,300.23 km) |
| Lake Ronkonkoma to Cislago | 3,958.22 mi (6,370.13 km) |
| Lake Ronkonkoma to Cisterna di Latina | 4,263.18 mi (6,860.92 km) |
| Lake Ronkonkoma to Cisternino | 4,497.37 mi (7,237.82 km) |
| Lake Ronkonkoma to Citta di Castello | 4,172.10 mi (6,714.35 km) |
| Lake Ronkonkoma to Citta Sant'Angelo | 4,283.85 mi (6,894.20 km) |
| Lake Ronkonkoma to Cittadella | 4,078.59 mi (6,563.86 km) |
| Lake Ronkonkoma to Cittanova | 4,528.66 mi (7,288.17 km) |
