| Ukiah to Butzbach | 5,594.38 mi (9,003.29 km) |
| Ukiah to Buxtehude | 5,449.26 mi (8,769.74 km) |
| Ukiah to Cadolzburg | 5,706.43 mi (9,183.61 km) |
| Ukiah to Calbe | 5,588.08 mi (8,993.14 km) |
| Ukiah to Calw | 5,692.77 mi (9,161.62 km) |
| Ukiah to Castrop-Rauxel | 5,497.75 mi (8,847.78 km) |
| Ukiah to Celle | 5,506.46 mi (8,861.80 km) |
| Ukiah to Cham | 5,764.25 mi (9,276.66 km) |
| Ukiah to Chemnitz | 5,676.89 mi (9,136.07 km) |
| Ukiah to Clausthal-Zellerfeld | 5,559.10 mi (8,946.51 km) |
| Ukiah to Cloppenburg | 5,444.22 mi (8,761.62 km) |
| Ukiah to Coburg | 5,662.25 mi (9,112.51 km) |
| Ukiah to Coesfeld | 5,471.80 mi (8,806.01 km) |
| Ukiah to Cologne | 5,522.19 mi (8,887.11 km) |
| Ukiah to Coswig | 5,675.07 mi (9,133.14 km) |
