| Longmont to Coswig | 5,055.93 mi (8,136.74 km) |
| Longmont to Cottbus | 5,118.81 mi (8,237.94 km) |
| Longmont to Crailsheim | 5,114.86 mi (8,231.58 km) |
| Longmont to Cremlingen | 4,984.22 mi (8,021.32 km) |
| Longmont to Crimmitschau | 5,106.61 mi (8,218.29 km) |
| Longmont to Cuxhaven | 4,848.81 mi (7,803.40 km) |
| Longmont to Dachau | 5,201.56 mi (8,371.10 km) |
| Longmont to Dallgow-Doberitz | 5,042.59 mi (8,115.26 km) |
| Longmont to Damme | 4,895.53 mi (7,878.59 km) |
| Longmont to Darmstadt | 5,033.64 mi (8,100.86 km) |
| Longmont to Dassel | 4,975.62 mi (8,007.49 km) |
| Longmont to Datteln | 4,908.39 mi (7,899.30 km) |
| Longmont to Dautphe | 4,984.02 mi (8,021.01 km) |
| Longmont to Deggendorf | 5,222.52 mi (8,404.84 km) |
| Longmont to Delbruck | 4,942.11 mi (7,953.55 km) |
