| Helena to Carmignano | 5,288.61 mi (8,511.20 km) |
| Helena to Carovigno | 5,657.93 mi (9,105.56 km) |
| Helena to Carpenedolo | 5,185.56 mi (8,345.36 km) |
| Helena to Carpi | 5,230.96 mi (8,418.42 km) |
| Helena to Carrara | 5,246.87 mi (8,444.02 km) |
| Helena to Carugate | 5,143.20 mi (8,277.18 km) |
| Helena to Casal di Principe | 5,538.32 mi (8,913.07 km) |
| Helena to Casale Monferrato | 5,139.91 mi (8,271.89 km) |
| Helena to Casale sul Sile | 5,227.11 mi (8,412.22 km) |
| Helena to Casalecchio di Reno | 5,259.31 mi (8,464.05 km) |
| Helena to Casalgrande | 5,237.67 mi (8,429.21 km) |
| Helena to Casalmaggiore | 5,206.04 mi (8,378.30 km) |
| Helena to Casalnuovo di Napoli | 5,550.39 mi (8,932.49 km) |
| Helena to Casalpusterlengo | 5,172.97 mi (8,325.09 km) |
| Helena to Casaluce | 5,541.23 mi (8,917.76 km) |
