| Allen to Chivasso | 5,262.52 mi (8,469.21 km) |
| Allen to Ciampino | 5,590.41 mi (8,996.90 km) |
| Allen to Cicciano | 5,704.99 mi (9,181.29 km) |
| Allen to Cingoli | 5,550.54 mi (8,932.73 km) |
| Allen to Cinisello Balsamo | 5,302.39 mi (8,533.37 km) |
| Allen to Cinisi | 5,763.12 mi (9,274.85 km) |
| Allen to Cirie | 5,249.17 mi (8,447.72 km) |
| Allen to Ciro Marina | 5,880.89 mi (9,464.37 km) |
| Allen to Cislago | 5,288.50 mi (8,511.02 km) |
| Allen to Cisterna di Latina | 5,608.51 mi (9,026.02 km) |
| Allen to Cisternino | 5,833.03 mi (9,387.36 km) |
| Allen to Citta di Castello | 5,507.49 mi (8,863.45 km) |
| Allen to Citta Sant'Angelo | 5,619.64 mi (9,043.94 km) |
| Allen to Cittadella | 5,400.15 mi (8,690.70 km) |
| Allen to Cittanova | 5,882.24 mi (9,466.55 km) |
