| Lake Ronkonkoma to Cocentaina | 3,744.84 mi (6,026.74 km) |
| Lake Ronkonkoma to Coin | 3,600.07 mi (5,793.76 km) |
| Lake Ronkonkoma to Colindres | 3,467.69 mi (5,580.71 km) |
| Lake Ronkonkoma to Collado-Villalba | 3,517.35 mi (5,660.63 km) |
| Lake Ronkonkoma to Colmenar Viejo | 3,528.20 mi (5,678.08 km) |
| Lake Ronkonkoma to Colmenarejo | 3,519.01 mi (5,663.30 km) |
| Lake Ronkonkoma to Conil de la Frontera | 3,546.51 mi (5,707.55 km) |
| Lake Ronkonkoma to Consuegra | 3,570.70 mi (5,746.48 km) |
| Lake Ronkonkoma to Corbera de Llobregat | 3,774.07 mi (6,073.77 km) |
| Lake Ronkonkoma to Cordoba | 3,561.03 mi (5,730.92 km) |
| Lake Ronkonkoma to Coria del Rio | 3,516.84 mi (5,659.81 km) |
| Lake Ronkonkoma to Crevillente | 3,742.77 mi (6,023.41 km) |
| Lake Ronkonkoma to Cuarte de Huerva | 3,636.22 mi (5,851.92 km) |
| Lake Ronkonkoma to Cubellas | 3,768.41 mi (6,064.66 km) |
| Lake Ronkonkoma to Cuellar | 3,481.21 mi (5,602.47 km) |
