| Martha Lake to Butzbach | 5,046.60 mi (8,121.72 km) |
| Martha Lake to Buxtehude | 4,891.82 mi (7,872.62 km) |
| Martha Lake to Cadolzburg | 5,155.76 mi (8,297.39 km) |
| Martha Lake to Calbe | 5,029.79 mi (8,094.67 km) |
| Martha Lake to Calw | 5,149.20 mi (8,286.84 km) |
| Martha Lake to Castrop-Rauxel | 4,950.28 mi (7,966.71 km) |
| Martha Lake to Celle | 4,950.18 mi (7,966.54 km) |
| Martha Lake to Cham | 5,209.85 mi (8,384.44 km) |
| Martha Lake to Chemnitz | 5,118.41 mi (8,237.29 km) |
| Martha Lake to Clausthal-Zellerfeld | 5,004.16 mi (8,053.42 km) |
| Martha Lake to Cloppenburg | 4,891.78 mi (7,872.56 km) |
| Martha Lake to Coburg | 5,109.44 mi (8,222.85 km) |
| Martha Lake to Coesfeld | 4,923.63 mi (7,923.82 km) |
| Martha Lake to Cologne | 4,977.21 mi (8,010.04 km) |
| Martha Lake to Coswig | 5,114.52 mi (8,231.03 km) |
