| Horw to Carson (California) | 5,941.34 mi (9,561.67 km) |
| Horw to Carson City (Nevada) | 5,678.72 mi (9,139.02 km) |
| Horw to Carteret (New Jersey) | 3,945.54 mi (6,349.73 km) |
| Horw to Cartersville (Georgia) | 4,674.70 mi (7,523.21 km) |
| Horw to Carthage (Missouri) | 4,916.86 mi (7,912.92 km) |
| Horw to Cary (Illinois) | 4,442.18 mi (7,148.99 km) |
| Horw to Cary (North Carolina) | 4,346.73 mi (6,995.39 km) |
| Horw to Casa de Oro-Mount Helix (California) | 5,961.99 mi (9,594.90 km) |
| Horw to Casa Grande (Arizona) | 5,779.85 mi (9,301.77 km) |
| Horw to Casas Adobes (Arizona) | 5,785.14 mi (9,310.28 km) |
| Horw to Cascades (Virginia) | 4,143.29 mi (6,667.98 km) |
| Horw to Casper (Wyoming) | 5,057.59 mi (8,139.40 km) |
| Horw to Casselberry (Florida) | 4,783.14 mi (7,697.71 km) |
| Horw to Castaic (California) | 5,915.85 mi (9,520.65 km) |
| Horw to Castle Pines (Colorado) | 5,186.56 mi (8,346.97 km) |
