| Helensburgh to Campodarsego | 1,023.31 mi (1,646.86 km) |
| Helensburgh to Campogalliano | 1,036.92 mi (1,668.76 km) |
| Helensburgh to Campolongo Maggiore | 1,036.35 mi (1,667.84 km) |
| Helensburgh to Camponogara | 1,034.15 mi (1,664.31 km) |
| Helensburgh to Camposampiero | 1,020.23 mi (1,641.90 km) |
| Helensburgh to Canegrate | 933.36 mi (1,502.09 km) |
| Helensburgh to Canelli | 965.45 mi (1,553.74 km) |
| Helensburgh to Canicatti | 1,549.95 mi (2,494.40 km) |
| Helensburgh to Canosa di Puglia | 1,385.01 mi (2,228.96 km) |
| Helensburgh to Cantu | 929.42 mi (1,495.75 km) |
| Helensburgh to Caorle | 1,047.77 mi (1,686.22 km) |
| Helensburgh to Capaci | 1,485.34 mi (2,390.42 km) |
| Helensburgh to Capannori | 1,076.53 mi (1,732.51 km) |
| Helensburgh to Capena | 1,229.95 mi (1,979.42 km) |
| Helensburgh to Capo d'Orlando | 1,525.72 mi (2,455.41 km) |
