| Horw to Castle Rock (Colorado) | 5,190.51 mi (8,353.31 km) |
| Horw to Castro Valley (California) | 5,829.74 mi (9,382.06 km) |
| Horw to Catalina Foothills (Arizona) | 5,782.77 mi (9,306.47 km) |
| Horw to Cataño (Puerto Rico) | 4,569.23 mi (7,353.46 km) |
| Horw to Cathedral City (California) | 5,884.29 mi (9,469.86 km) |
| Horw to Catonsville (Maryland) | 4,106.79 mi (6,609.24 km) |
| Horw to Cave Spring (Virginia) | 4,333.11 mi (6,973.47 km) |
| Horw to Cayce (South Carolina) | 4,525.03 mi (7,282.33 km) |
| Horw to Cayey (Puerto Rico) | 4,585.64 mi (7,379.88 km) |
| Horw to Cedar City (Utah) | 5,558.27 mi (8,945.18 km) |
| Horw to Cedar Falls (Iowa) | 4,587.11 mi (7,382.23 km) |
| Horw to Cedar Hill (Texas) | 5,248.42 mi (8,446.52 km) |
| Horw to Cedar Lake (Indiana) | 4,449.19 mi (7,160.28 km) |
| Horw to Cedar Mill (Oregon) | 5,388.73 mi (8,672.32 km) |
| Horw to Cedar Park (Texas) | 5,388.28 mi (8,671.60 km) |
