| Grain Valley to Cocentaina | 4,785.15 mi (7,700.95 km) |
| Grain Valley to Coin | 4,667.44 mi (7,511.52 km) |
| Grain Valley to Colindres | 4,480.47 mi (7,210.62 km) |
| Grain Valley to Collado-Villalba | 4,555.05 mi (7,330.65 km) |
| Grain Valley to Colmenar Viejo | 4,564.93 mi (7,346.55 km) |
| Grain Valley to Colmenarejo | 4,557.30 mi (7,334.26 km) |
| Grain Valley to Conil de la Frontera | 4,619.90 mi (7,435.02 km) |
| Grain Valley to Consuegra | 4,615.96 mi (7,428.67 km) |
| Grain Valley to Corbera de Llobregat | 4,785.30 mi (7,701.19 km) |
| Grain Valley to Cordoba | 4,620.77 mi (7,436.40 km) |
| Grain Valley to Coria del Rio | 4,584.02 mi (7,377.27 km) |
| Grain Valley to Crevillente | 4,787.81 mi (7,705.24 km) |
| Grain Valley to Cuarte de Huerva | 4,656.14 mi (7,493.34 km) |
| Grain Valley to Cubellas | 4,782.29 mi (7,696.36 km) |
| Grain Valley to Cuellar | 4,513.79 mi (7,264.25 km) |
