| Ritterhude to Carson (California) | 5,637.69 mi (9,072.99 km) |
| Ritterhude to Carson City (Nevada) | 5,355.88 mi (8,619.46 km) |
| Ritterhude to Carteret (New Jersey) | 3,786.44 mi (6,093.68 km) |
| Ritterhude to Cartersville (Georgia) | 4,507.69 mi (7,254.43 km) |
| Ritterhude to Carthage (Missouri) | 4,695.01 mi (7,555.89 km) |
| Ritterhude to Cary (Illinois) | 4,219.44 mi (6,790.54 km) |
| Ritterhude to Cary (North Carolina) | 4,197.28 mi (6,754.88 km) |
| Ritterhude to Casa de Oro-Mount Helix (California) | 5,666.22 mi (9,118.90 km) |
| Ritterhude to Casa Grande (Arizona) | 5,504.11 mi (8,858.01 km) |
| Ritterhude to Casas Adobes (Arizona) | 5,514.26 mi (8,874.34 km) |
| Ritterhude to Cascades (Virginia) | 3,980.77 mi (6,406.44 km) |
| Ritterhude to Casper (Wyoming) | 4,768.36 mi (7,673.94 km) |
| Ritterhude to Casselberry (Florida) | 4,661.29 mi (7,501.63 km) |
| Ritterhude to Castaic (California) | 5,609.07 mi (9,026.93 km) |
| Ritterhude to Castle Pines (Colorado) | 4,914.66 mi (7,909.38 km) |
