| Wheat Ridge to Castelletto sopra Ticino | 5,250.84 mi (8,450.41 km) |
| Wheat Ridge to Castelli Calepio | 5,298.90 mi (8,527.75 km) |
| Wheat Ridge to Castelnovo ne' Monti | 5,374.45 mi (8,649.34 km) |
| Wheat Ridge to Castelnuovo Berardenga | 5,466.43 mi (8,797.38 km) |
| Wheat Ridge to Castelnuovo di Porto | 5,561.85 mi (8,950.94 km) |
| Wheat Ridge to Castelnuovo di Verona | 5,338.48 mi (8,591.45 km) |
| Wheat Ridge to Castelnuovo Rangone | 5,387.37 mi (8,670.13 km) |
| Wheat Ridge to Castelvetrano | 5,796.03 mi (9,327.82 km) |
| Wheat Ridge to Castelvetro di Modena | 5,390.39 mi (8,675.00 km) |
| Wheat Ridge to Castenaso | 5,407.98 mi (8,703.30 km) |
| Wheat Ridge to Castenedolo | 5,320.48 mi (8,562.49 km) |
| Wheat Ridge to Castiglion Fiorentino | 5,481.15 mi (8,821.06 km) |
| Wheat Ridge to Castiglione del Lago | 5,495.85 mi (8,844.72 km) |
| Wheat Ridge to Castiglione delle Stiviere | 5,330.91 mi (8,579.28 km) |
| Wheat Ridge to Castrolibero | 5,836.16 mi (9,392.40 km) |
