| Helston to Carlsbad (New Mexico) | 4,901.11 mi (7,887.57 km) |
| Helston to Carmel (Indiana) | 3,813.90 mi (6,137.88 km) |
| Helston to Carmichael (California) | 5,181.88 mi (8,339.43 km) |
| Helston to Carney (Maryland) | 3,436.57 mi (5,530.62 km) |
| Helston to Carnot-Moon (Pennsylvania) | 3,545.41 mi (5,705.79 km) |
| Helston to Carol Stream (Illinois) | 3,808.52 mi (6,129.23 km) |
| Helston to Carolina (Puerto Rico) | 3,960.20 mi (6,373.33 km) |
| Helston to Carolina Forest (South Carolina) | 3,785.71 mi (6,092.51 km) |
| Helston to Carpentersville (Illinois) | 3,805.94 mi (6,125.07 km) |
| Helston to Carpinteria (California) | 5,356.27 mi (8,620.09 km) |
| Helston to Carrboro (North Carolina) | 3,696.18 mi (5,948.42 km) |
| Helston to Carroll (Iowa) | 4,065.60 mi (6,542.95 km) |
| Helston to Carrollton (Georgia) | 4,058.90 mi (6,532.16 km) |
| Helston to Carrollton (Texas) | 4,578.93 mi (7,369.07 km) |
| Helston to Carrollwood (Florida) | 4,210.10 mi (6,775.51 km) |
