| Allen to Castrovillari | 5,823.10 mi (9,371.38 km) |
| Allen to Catania | 5,877.03 mi (9,458.16 km) |
| Allen to Catanzaro | 5,879.75 mi (9,462.54 km) |
| Allen to Cattolica | 5,506.37 mi (8,861.64 km) |
| Allen to Cava de' Tirreni | 5,723.22 mi (9,210.63 km) |
| Allen to Cavallino | 5,882.38 mi (9,466.77 km) |
| Allen to Cavarzere | 5,432.65 mi (8,743.00 km) |
| Allen to Cave | 5,603.45 mi (9,017.87 km) |
| Allen to Cavriago | 5,388.57 mi (8,672.07 km) |
| Allen to Cavriglia | 5,474.41 mi (8,810.22 km) |
| Allen to Cazzago San Martino | 5,333.45 mi (8,583.35 km) |
| Allen to Ceccano | 5,630.33 mi (9,061.13 km) |
| Allen to Cecina | 5,443.02 mi (8,759.69 km) |
| Allen to Cefalu | 5,808.18 mi (9,347.36 km) |
| Allen to Ceglie Messapico | 5,839.40 mi (9,397.61 km) |
