| Horsforth to Carlsbad (New Mexico) | 4,912.36 mi (7,905.68 km) |
| Horsforth to Carmel (Indiana) | 3,856.31 mi (6,206.13 km) |
| Horsforth to Carmichael (California) | 5,112.38 mi (8,227.58 km) |
| Horsforth to Carney (Maryland) | 3,513.03 mi (5,653.67 km) |
| Horsforth to Carnot-Moon (Pennsylvania) | 3,604.28 mi (5,800.52 km) |
| Horsforth to Carol Stream (Illinois) | 3,835.39 mi (6,172.46 km) |
| Horsforth to Carolina (Puerto Rico) | 4,157.49 mi (6,690.84 km) |
| Horsforth to Carolina Forest (South Carolina) | 3,880.60 mi (6,245.22 km) |
| Horsforth to Carpentersville (Illinois) | 3,831.34 mi (6,165.94 km) |
| Horsforth to Carpinteria (California) | 5,305.87 mi (8,538.98 km) |
| Horsforth to Carrboro (North Carolina) | 3,780.80 mi (6,084.60 km) |
| Horsforth to Carroll (Iowa) | 4,070.53 mi (6,550.88 km) |
| Horsforth to Carrollton (Georgia) | 4,133.17 mi (6,651.69 km) |
| Horsforth to Carrollton (Texas) | 4,614.18 mi (7,425.81 km) |
| Horsforth to Carrollwood (Florida) | 4,315.63 mi (6,945.34 km) |
