| Ukiah to Castrovillari | 6,408.94 mi (10,314.19 km) |
| Ukiah to Catania | 6,515.90 mi (10,486.32 km) |
| Ukiah to Catanzaro | 6,474.43 mi (10,419.58 km) |
| Ukiah to Cattolica | 6,071.37 mi (9,770.92 km) |
| Ukiah to Cava de' Tirreni | 6,316.00 mi (10,164.62 km) |
| Ukiah to Cavallino | 6,431.25 mi (10,350.10 km) |
| Ukiah to Cavarzere | 5,986.05 mi (9,633.62 km) |
| Ukiah to Cave | 6,202.00 mi (9,981.15 km) |
| Ukiah to Cavriago | 5,969.22 mi (9,606.53 km) |
| Ukiah to Cavriglia | 6,063.37 mi (9,758.05 km) |
| Ukiah to Cazzago San Martino | 5,904.96 mi (9,503.12 km) |
| Ukiah to Ceccano | 6,227.64 mi (10,022.41 km) |
| Ukiah to Cecina | 6,047.86 mi (9,733.10 km) |
| Ukiah to Cefalu | 6,453.84 mi (10,386.45 km) |
| Ukiah to Ceglie Messapico | 6,393.20 mi (10,288.86 km) |
