| Upper Grand Lagoon to Cehegin | 4,667.37 mi (7,511.40 km) |
| Upper Grand Lagoon to Cervello | 4,767.51 mi (7,672.57 km) |
| Upper Grand Lagoon to Cervera | 4,727.54 mi (7,608.25 km) |
| Upper Grand Lagoon to Ceuti | 4,694.33 mi (7,554.80 km) |
| Upper Grand Lagoon to Cheste | 4,687.99 mi (7,544.59 km) |
| Upper Grand Lagoon to Chiclana de la Frontera | 4,484.84 mi (7,217.65 km) |
| Upper Grand Lagoon to Chipiona | 4,462.59 mi (7,181.84 km) |
| Upper Grand Lagoon to Chiva | 4,686.45 mi (7,542.11 km) |
| Upper Grand Lagoon to Churriana de la Vega | 4,596.57 mi (7,397.47 km) |
| Upper Grand Lagoon to Ciempozuelos | 4,525.75 mi (7,283.49 km) |
| Upper Grand Lagoon to Cieza | 4,682.83 mi (7,536.28 km) |
| Upper Grand Lagoon to Cisterniga | 4,440.16 mi (7,145.75 km) |
| Upper Grand Lagoon to Ciudad de Melilla | 4,680.36 mi (7,532.32 km) |
| Upper Grand Lagoon to Ciudad Real | 4,538.51 mi (7,304.03 km) |
| Upper Grand Lagoon to Ciudad-Rodrigo | 4,370.51 mi (7,033.65 km) |
