| Douglas to Castelli Calepio | 936.44 mi (1,507.06 km) |
| Douglas to Castelnovo ne' Monti | 1,004.72 mi (1,616.94 km) |
| Douglas to Castelnuovo Berardenga | 1,094.46 mi (1,761.36 km) |
| Douglas to Castelnuovo di Porto | 1,187.43 mi (1,910.98 km) |
| Douglas to Castelnuovo di Verona | 978.95 mi (1,575.47 km) |
| Douglas to Castelnuovo Rangone | 1,020.85 mi (1,642.90 km) |
| Douglas to Castelvetrano | 1,420.38 mi (2,285.89 km) |
| Douglas to Castelvetro di Modena | 1,023.57 mi (1,647.28 km) |
| Douglas to Castenaso | 1,043.80 mi (1,679.83 km) |
| Douglas to Castenedolo | 958.65 mi (1,542.79 km) |
| Douglas to Castiglion Fiorentino | 1,110.72 mi (1,787.53 km) |
| Douglas to Castiglione del Lago | 1,124.74 mi (1,810.09 km) |
| Douglas to Castiglione delle Stiviere | 969.53 mi (1,560.31 km) |
| Douglas to Castrolibero | 1,461.81 mi (2,352.56 km) |
| Douglas to Castrovillari | 1,437.79 mi (2,313.90 km) |
