| Castro Valley to Cervignano del Friuli | 6,035.71 mi (9,713.53 km) |
| Castro Valley to Cesa | 6,340.52 mi (10,204.08 km) |
| Castro Valley to Cesano Maderno | 5,930.05 mi (9,543.49 km) |
| Castro Valley to Cesena | 6,102.10 mi (9,820.39 km) |
| Castro Valley to Cesenatico | 6,102.83 mi (9,821.55 km) |
| Castro Valley to Cetraro | 6,474.67 mi (10,419.97 km) |
| Castro Valley to Cherasco | 5,946.58 mi (9,570.09 km) |
| Castro Valley to Chiampo | 5,995.19 mi (9,648.32 km) |
| Castro Valley to Chiaravalle | 6,163.35 mi (9,918.96 km) |
| Castro Valley to Chiari | 5,957.38 mi (9,587.48 km) |
| Castro Valley to Chiavari | 6,008.44 mi (9,669.65 km) |
| Castro Valley to Chieri | 5,925.30 mi (9,535.85 km) |
| Castro Valley to Chieti | 6,258.63 mi (10,072.29 km) |
| Castro Valley to Chioggia | 6,041.52 mi (9,722.89 km) |
| Castro Valley to Chiusi | 6,157.57 mi (9,909.65 km) |
