| Helena to Busto Arsizio | 5,125.58 mi (8,248.82 km) |
| Helena to Busto Garolfo | 5,130.12 mi (8,256.13 km) |
| Helena to Cabras | 5,427.25 mi (8,734.32 km) |
| Helena to Cadelbosco di Sopra | 5,223.59 mi (8,406.56 km) |
| Helena to Cadoneghe | 5,224.13 mi (8,407.43 km) |
| Helena to Cagli | 5,351.34 mi (8,612.15 km) |
| Helena to Cagliari | 5,484.71 mi (8,826.78 km) |
| Helena to Cairo Montenotte | 5,174.15 mi (8,326.99 km) |
| Helena to Caivano | 5,547.02 mi (8,927.07 km) |
| Helena to Calcinaia | 5,284.18 mi (8,504.06 km) |
| Helena to Calcinato | 5,179.92 mi (8,336.28 km) |
| Helena to Calderara di Reno | 5,254.19 mi (8,455.79 km) |
| Helena to Caldogno | 5,203.23 mi (8,373.78 km) |
| Helena to Calenzano | 5,290.25 mi (8,513.84 km) |
| Helena to Calolziocorte | 5,132.44 mi (8,259.86 km) |
