| Castro Valley to Celano | 6,256.68 mi (10,069.16 km) |
| Castro Valley to Cento | 6,041.31 mi (9,722.55 km) |
| Castro Valley to Cepagatti | 6,254.87 mi (10,066.24 km) |
| Castro Valley to Ceprano | 6,286.39 mi (10,116.96 km) |
| Castro Valley to Cercola | 6,349.63 mi (10,218.75 km) |
| Castro Valley to Cerea | 6,013.08 mi (9,677.12 km) |
| Castro Valley to Cerese | 6,008.36 mi (9,669.52 km) |
| Castro Valley to Cerignola | 6,369.78 mi (10,251.16 km) |
| Castro Valley to Cermenate | 5,924.41 mi (9,534.41 km) |
| Castro Valley to Cernusco sul Naviglio | 5,941.78 mi (9,562.37 km) |
| Castro Valley to Cerreto Guidi | 6,084.39 mi (9,791.88 km) |
| Castro Valley to Cerro Maggiore | 5,926.10 mi (9,537.13 km) |
| Castro Valley to Certaldo | 6,101.29 mi (9,819.08 km) |
| Castro Valley to Cerveteri | 6,219.71 mi (10,009.66 km) |
| Castro Valley to Cervia | 6,098.41 mi (9,814.44 km) |
