| Graham to Collegno | 5,382.15 mi (8,661.73 km) |
| Graham to Cologno al Serio | 5,406.83 mi (8,701.45 km) |
| Graham to Cologno Monzese | 5,399.46 mi (8,689.60 km) |
| Graham to Colorno | 5,462.43 mi (8,790.94 km) |
| Graham to Comacchio | 5,520.69 mi (8,884.69 km) |
| Graham to Comiso | 6,051.07 mi (9,738.26 km) |
| Graham to Como | 5,378.02 mi (8,655.09 km) |
| Graham to Concordia Sagittaria | 5,472.47 mi (8,807.08 km) |
| Graham to Concorezzo | 5,397.31 mi (8,686.14 km) |
| Graham to Conegliano | 5,452.15 mi (8,774.39 km) |
| Graham to Conselice | 5,523.16 mi (8,888.66 km) |
| Graham to Conselve | 5,481.01 mi (8,820.84 km) |
| Graham to Conversano | 5,865.69 mi (9,439.91 km) |
| Graham to Copertino | 5,930.68 mi (9,544.50 km) |
| Graham to Copparo | 5,500.18 mi (8,851.68 km) |
