| Ritterhude to Caguas (Puerto Rico) | 4,590.49 mi (7,387.67 km) |
| Ritterhude to Cahokia (Illinois) | 4,474.97 mi (7,201.77 km) |
| Ritterhude to Calabasas (California) | 5,630.94 mi (9,062.13 km) |
| Ritterhude to Caldwell (Idaho) | 5,006.93 mi (8,057.87 km) |
| Ritterhude to Caledonia (Wisconsin) | 4,176.88 mi (6,722.04 km) |
| Ritterhude to Calera (Alabama) | 4,635.08 mi (7,459.44 km) |
| Ritterhude to Calexico (California) | 5,628.45 mi (9,058.12 km) |
| Ritterhude to Calhoun (Georgia) | 4,495.90 mi (7,235.45 km) |
| Ritterhude to California (Maryland) | 3,983.32 mi (6,410.53 km) |
| Ritterhude to California City (California) | 5,547.33 mi (8,927.57 km) |
| Ritterhude to Callaway (Florida) | 4,748.06 mi (7,641.26 km) |
| Ritterhude to Calumet City (Illinois) | 4,225.40 mi (6,800.12 km) |
| Ritterhude to Calverton (Maryland) | 3,963.54 mi (6,378.70 km) |
| Ritterhude to Camano (Washington) | 4,872.82 mi (7,842.04 km) |
| Ritterhude to Camarillo (California) | 5,635.73 mi (9,069.82 km) |
