| Ukiah to Celano | 6,203.38 mi (9,983.38 km) |
| Ukiah to Cento | 5,987.85 mi (9,636.51 km) |
| Ukiah to Cepagatti | 6,200.72 mi (9,979.09 km) |
| Ukiah to Ceprano | 6,233.66 mi (10,032.11 km) |
| Ukiah to Cercola | 6,296.62 mi (10,133.43 km) |
| Ukiah to Cerea | 5,959.21 mi (9,590.42 km) |
| Ukiah to Cerese | 5,955.14 mi (9,583.87 km) |
| Ukiah to Cerignola | 6,314.58 mi (10,162.33 km) |
| Ukiah to Cermenate | 5,872.24 mi (9,450.46 km) |
| Ukiah to Cernusco sul Naviglio | 5,889.55 mi (9,478.32 km) |
| Ukiah to Cerreto Guidi | 6,032.36 mi (9,708.14 km) |
| Ukiah to Cerro Maggiore | 5,874.18 mi (9,453.58 km) |
| Ukiah to Certaldo | 6,049.31 mi (9,735.43 km) |
| Ukiah to Cerveteri | 6,168.15 mi (9,926.68 km) |
| Ukiah to Cervia | 6,044.27 mi (9,727.32 km) |
