| Longmont to Butzbach | 5,007.40 mi (8,058.63 km) |
| Longmont to Buxtehude | 4,897.14 mi (7,881.19 km) |
| Longmont to Cadolzburg | 5,125.38 mi (8,248.50 km) |
| Longmont to Calbe | 5,035.04 mi (8,103.11 km) |
| Longmont to Calw | 5,090.84 mi (8,192.92 km) |
| Longmont to Castrop-Rauxel | 4,912.37 mi (7,905.69 km) |
| Longmont to Celle | 4,948.84 mi (7,964.38 km) |
| Longmont to Cham | 5,193.54 mi (8,358.19 km) |
| Longmont to Chemnitz | 5,122.11 mi (8,243.24 km) |
| Longmont to Clausthal-Zellerfeld | 4,995.58 mi (8,039.61 km) |
| Longmont to Cloppenburg | 4,875.70 mi (7,846.68 km) |
| Longmont to Coburg | 5,089.10 mi (8,190.11 km) |
| Longmont to Coesfeld | 4,889.22 mi (7,868.44 km) |
| Longmont to Cologne | 4,928.79 mi (7,932.12 km) |
| Longmont to Coswig | 5,127.55 mi (8,252.00 km) |
