| Lake Ronkonkoma to Celano | 4,277.68 mi (6,884.25 km) |
| Lake Ronkonkoma to Cento | 4,087.53 mi (6,578.25 km) |
| Lake Ronkonkoma to Cepagatti | 4,289.95 mi (6,904.00 km) |
| Lake Ronkonkoma to Ceprano | 4,295.09 mi (6,912.28 km) |
| Lake Ronkonkoma to Cercola | 4,356.74 mi (7,011.49 km) |
| Lake Ronkonkoma to Cerea | 4,069.25 mi (6,548.83 km) |
| Lake Ronkonkoma to Cerese | 4,054.15 mi (6,524.53 km) |
| Lake Ronkonkoma to Cerignola | 4,410.25 mi (7,097.61 km) |
| Lake Ronkonkoma to Cermenate | 3,961.66 mi (6,375.67 km) |
| Lake Ronkonkoma to Cernusco sul Naviglio | 3,978.19 mi (6,402.28 km) |
| Lake Ronkonkoma to Cerreto Guidi | 4,102.44 mi (6,602.23 km) |
| Lake Ronkonkoma to Cerro Maggiore | 3,959.07 mi (6,371.50 km) |
| Lake Ronkonkoma to Certaldo | 4,116.69 mi (6,625.17 km) |
| Lake Ronkonkoma to Cerveteri | 4,216.48 mi (6,785.78 km) |
| Lake Ronkonkoma to Cervia | 4,149.67 mi (6,678.25 km) |
