| Echelon to Butzbach | 3,922.48 mi (6,312.63 km) |
| Echelon to Buxtehude | 3,878.95 mi (6,242.57 km) |
| Echelon to Cadolzburg | 4,040.17 mi (6,502.03 km) |
| Echelon to Calbe | 4,002.68 mi (6,441.68 km) |
| Echelon to Calw | 3,975.07 mi (6,397.25 km) |
| Echelon to Castrop-Rauxel | 3,838.20 mi (6,176.99 km) |
| Echelon to Celle | 3,916.83 mi (6,303.53 km) |
| Echelon to Cham | 4,119.16 mi (6,629.15 km) |
| Echelon to Chemnitz | 4,079.23 mi (6,564.88 km) |
| Echelon to Clausthal-Zellerfeld | 3,949.74 mi (6,356.49 km) |
| Echelon to Cloppenburg | 3,832.52 mi (6,167.84 km) |
| Echelon to Coburg | 4,019.56 mi (6,468.86 km) |
| Echelon to Coesfeld | 3,821.69 mi (6,150.42 km) |
| Echelon to Cologne | 3,840.09 mi (6,180.04 km) |
| Echelon to Coswig | 4,095.84 mi (6,591.62 km) |
