| Ukiah to Chivasso | 5,867.15 mi (9,442.27 km) |
| Ukiah to Ciampino | 6,193.72 mi (9,967.83 km) |
| Ukiah to Cicciano | 6,295.73 mi (10,132.00 km) |
| Ukiah to Cingoli | 6,119.31 mi (9,848.08 km) |
| Ukiah to Cinisello Balsamo | 5,884.43 mi (9,470.07 km) |
| Ukiah to Cinisi | 6,419.52 mi (10,331.22 km) |
| Ukiah to Cirie | 5,856.46 mi (9,425.07 km) |
| Ukiah to Ciro Marina | 6,460.42 mi (10,397.04 km) |
| Ukiah to Cislago | 5,871.82 mi (9,449.78 km) |
| Ukiah to Cisterna di Latina | 6,212.24 mi (9,997.64 km) |
| Ukiah to Cisternino | 6,386.47 mi (10,278.03 km) |
| Ukiah to Citta di Castello | 6,087.50 mi (9,796.88 km) |
| Ukiah to Citta Sant'Angelo | 6,191.46 mi (9,964.19 km) |
| Ukiah to Cittadella | 5,948.47 mi (9,573.13 km) |
| Ukiah to Cittanova | 6,493.18 mi (10,449.76 km) |
