| Denver to Cassina de' Pecchi | 5,278.65 mi (8,495.16 km) |
| Denver to Cassino | 5,633.33 mi (9,065.97 km) |
| Denver to Castagneto Carducci | 5,435.79 mi (8,748.06 km) |
| Denver to Castano Primo | 5,256.05 mi (8,458.80 km) |
| Denver to Castel Bolognese | 5,421.59 mi (8,725.21 km) |
| Denver to Castel Gandolfo | 5,579.05 mi (8,978.62 km) |
| Denver to Castel Goffredo | 5,327.72 mi (8,574.13 km) |
| Denver to Castel Maggiore | 5,394.28 mi (8,681.25 km) |
| Denver to Castel Mella | 5,306.69 mi (8,540.29 km) |
| Denver to Castel San Giorgio | 5,700.30 mi (9,173.75 km) |
| Denver to Castel San Giovanni | 5,303.34 mi (8,534.90 km) |
| Denver to Castel San Pietro Terme | 5,409.98 mi (8,706.52 km) |
| Denver to Castel Volturno | 5,659.05 mi (9,107.35 km) |
| Denver to Castelbuono | 5,823.95 mi (9,372.75 km) |
| Denver to Casteldaccia | 5,797.11 mi (9,329.54 km) |
