| Greenock to Casamassima | 1,423.92 mi (2,291.58 km) |
| Greenock to Casandrino | 1,345.81 mi (2,165.87 km) |
| Greenock to Casapulla | 1,339.06 mi (2,155.01 km) |
| Greenock to Casarano | 1,514.67 mi (2,437.62 km) |
| Greenock to Casatenovo | 934.08 mi (1,503.25 km) |
| Greenock to Casciana Terme | 1,094.20 mi (1,760.95 km) |
| Greenock to Cascina | 1,083.33 mi (1,743.44 km) |
| Greenock to Caselle Torinese | 919.39 mi (1,479.61 km) |
| Greenock to Caserta | 1,340.50 mi (2,157.32 km) |
| Greenock to Casier | 1,025.23 mi (1,649.94 km) |
| Greenock to Casorate Primo | 947.51 mi (1,524.88 km) |
| Greenock to Casoria | 1,349.17 mi (2,171.27 km) |
| Greenock to Cassano al Ionio | 1,472.07 mi (2,369.06 km) |
| Greenock to Cassano d'Adda | 949.12 mi (1,527.45 km) |
| Greenock to Cassano delle Murge | 1,423.07 mi (2,290.20 km) |
