| Greenock to Celano | 1,259.65 mi (2,027.21 km) |
| Greenock to Cento | 1,044.45 mi (1,680.88 km) |
| Greenock to Cepagatti | 1,258.60 mi (2,025.53 km) |
| Greenock to Ceprano | 1,289.29 mi (2,074.91 km) |
| Greenock to Cercola | 1,352.52 mi (2,176.67 km) |
| Greenock to Cerea | 1,016.71 mi (1,636.23 km) |
| Greenock to Cerese | 1,011.35 mi (1,627.61 km) |
| Greenock to Cerignola | 1,375.24 mi (2,213.24 km) |
| Greenock to Cermenate | 927.59 mi (1,492.81 km) |
| Greenock to Cernusco sul Naviglio | 944.91 mi (1,520.68 km) |
| Greenock to Cerreto Guidi | 1,087.71 mi (1,750.49 km) |
| Greenock to Cerro Maggiore | 929.55 mi (1,495.97 km) |
| Greenock to Certaldo | 1,104.67 mi (1,777.79 km) |
| Greenock to Cerveteri | 1,223.62 mi (1,969.22 km) |
| Greenock to Cervia | 1,102.31 mi (1,774.00 km) |
