| Ukiah to Collegno | 5,864.47 mi (9,437.95 km) |
| Ukiah to Cologno al Serio | 5,895.92 mi (9,488.56 km) |
| Ukiah to Cologno Monzese | 5,887.35 mi (9,474.78 km) |
| Ukiah to Colorno | 5,951.75 mi (9,578.42 km) |
| Ukiah to Comacchio | 6,014.06 mi (9,678.70 km) |
| Ukiah to Comiso | 6,534.33 mi (10,515.99 km) |
| Ukiah to Como | 5,866.09 mi (9,440.56 km) |
| Ukiah to Concordia Sagittaria | 5,969.73 mi (9,607.35 km) |
| Ukiah to Concorezzo | 5,885.49 mi (9,471.78 km) |
| Ukiah to Conegliano | 5,948.33 mi (9,572.92 km) |
| Ukiah to Conselice | 6,015.25 mi (9,680.60 km) |
| Ukiah to Conselve | 5,974.75 mi (9,615.43 km) |
| Ukiah to Conversano | 6,364.28 mi (10,242.32 km) |
| Ukiah to Copertino | 6,430.44 mi (10,348.79 km) |
| Ukiah to Copparo | 5,993.11 mi (9,644.97 km) |
