| Gourock to Cassina de' Pecchi | 947.49 mi (1,524.83 km) |
| Gourock to Cassino | 1,302.87 mi (2,096.77 km) |
| Gourock to Castagneto Carducci | 1,116.31 mi (1,796.53 km) |
| Gourock to Castano Primo | 928.98 mi (1,495.05 km) |
| Gourock to Castel Bolognese | 1,084.42 mi (1,745.20 km) |
| Gourock to Castel Gandolfo | 1,255.24 mi (2,020.11 km) |
| Gourock to Castel Goffredo | 991.29 mi (1,595.33 km) |
| Gourock to Castel Maggiore | 1,057.85 mi (1,702.44 km) |
| Gourock to Castel Mella | 970.69 mi (1,562.18 km) |
| Gourock to Castel San Giorgio | 1,369.07 mi (2,203.30 km) |
| Gourock to Castel San Giovanni | 975.79 mi (1,570.39 km) |
| Gourock to Castel San Pietro Terme | 1,073.45 mi (1,727.55 km) |
| Gourock to Castel Volturno | 1,331.23 mi (2,142.41 km) |
| Gourock to Castelbuono | 1,520.99 mi (2,447.80 km) |
| Gourock to Casteldaccia | 1,499.09 mi (2,412.55 km) |
