| Ukiah to Cabestany | 5,855.18 mi (9,423.01 km) |
| Ukiah to Cabries | 5,890.01 mi (9,479.05 km) |
| Ukiah to Cachan | 5,510.19 mi (8,867.79 km) |
| Ukiah to Caen | 5,409.85 mi (8,706.31 km) |
| Ukiah to Cagnes-sur-Mer | 5,930.86 mi (9,544.80 km) |
| Ukiah to Cahors | 5,713.15 mi (9,194.43 km) |
| Ukiah to Calais | 5,382.71 mi (8,662.63 km) |
| Ukiah to Caluire-et-Cuire | 5,745.30 mi (9,246.17 km) |
| Ukiah to Cambrai | 5,462.43 mi (8,790.94 km) |
| Ukiah to Canet-en-Roussillon | 5,855.90 mi (9,424.15 km) |
| Ukiah to Cannes | 5,933.12 mi (9,548.43 km) |
| Ukiah to Canteleu | 5,437.54 mi (8,750.88 km) |
| Ukiah to Capbreton | 5,661.82 mi (9,111.82 km) |
| Ukiah to Carcassonne | 5,807.89 mi (9,346.89 km) |
| Ukiah to Carmaux | 5,757.02 mi (9,265.03 km) |
