| Detroit to Castelletto sopra Ticino | 4,295.05 mi (6,912.22 km) |
| Detroit to Castelli Calepio | 4,349.11 mi (6,999.21 km) |
| Detroit to Castelnovo ne' Monti | 4,416.15 mi (7,107.10 km) |
| Detroit to Castelnuovo Berardenga | 4,504.39 mi (7,249.11 km) |
| Detroit to Castelnuovo di Porto | 4,594.74 mi (7,394.52 km) |
| Detroit to Castelnuovo di Verona | 4,391.54 mi (7,067.50 km) |
| Detroit to Castelnuovo Rangone | 4,433.08 mi (7,134.35 km) |
| Detroit to Castelvetrano | 4,794.30 mi (7,715.69 km) |
| Detroit to Castelvetro di Modena | 4,435.74 mi (7,138.63 km) |
| Detroit to Castenaso | 4,456.31 mi (7,171.74 km) |
| Detroit to Castenedolo | 4,371.31 mi (7,034.94 km) |
| Detroit to Castiglion Fiorentino | 4,521.40 mi (7,276.49 km) |
| Detroit to Castiglione del Lago | 4,535.00 mi (7,298.37 km) |
| Detroit to Castiglione delle Stiviere | 4,382.19 mi (7,052.45 km) |
| Detroit to Castrolibero | 4,867.19 mi (7,832.98 km) |
