| Morfelden-Walldorf to Carson (California) | 5,796.21 mi (9,328.10 km) |
| Morfelden-Walldorf to Carson City (Nevada) | 5,524.03 mi (8,890.07 km) |
| Morfelden-Walldorf to Carteret (New Jersey) | 3,867.99 mi (6,224.92 km) |
| Morfelden-Walldorf to Cartersville (Georgia) | 4,594.52 mi (7,394.17 km) |
| Morfelden-Walldorf to Carthage (Missouri) | 4,810.50 mi (7,741.76 km) |
| Morfelden-Walldorf to Cary (Illinois) | 4,334.80 mi (6,976.18 km) |
| Morfelden-Walldorf to Cary (North Carolina) | 4,274.52 mi (6,879.17 km) |
| Morfelden-Walldorf to Casa de Oro-Mount Helix (California) | 5,820.73 mi (9,367.56 km) |
| Morfelden-Walldorf to Casa Grande (Arizona) | 5,648.23 mi (9,089.94 km) |
| Morfelden-Walldorf to Casas Adobes (Arizona) | 5,655.89 mi (9,102.27 km) |
| Morfelden-Walldorf to Cascades (Virginia) | 4,064.44 mi (6,541.09 km) |
| Morfelden-Walldorf to Casper (Wyoming) | 4,918.78 mi (7,916.01 km) |
| Morfelden-Walldorf to Casselberry (Florida) | 4,724.95 mi (7,604.07 km) |
| Morfelden-Walldorf to Castaic (California) | 5,769.17 mi (9,284.59 km) |
| Morfelden-Walldorf to Castle Pines (Colorado) | 5,056.27 mi (8,137.28 km) |
