| Drogheda to Castelli Calepio | 912.85 mi (1,469.09 km) |
| Drogheda to Castelnovo ne' Monti | 988.73 mi (1,591.21 km) |
| Drogheda to Castelnuovo Berardenga | 1,081.11 mi (1,739.89 km) |
| Drogheda to Castelnuovo di Porto | 1,177.42 mi (1,894.87 km) |
| Drogheda to Castelnuovo di Verona | 952.86 mi (1,533.48 km) |
| Drogheda to Castelnuovo Rangone | 1,001.25 mi (1,611.36 km) |
| Drogheda to Castelvetrano | 1,432.92 mi (2,306.06 km) |
| Drogheda to Castelvetro di Modena | 1,004.29 mi (1,616.25 km) |
| Drogheda to Castenaso | 1,021.91 mi (1,644.61 km) |
| Drogheda to Castenedolo | 934.52 mi (1,503.96 km) |
| Drogheda to Castiglion Fiorentino | 1,095.37 mi (1,762.83 km) |
| Drogheda to Castiglione del Lago | 1,110.20 mi (1,786.70 km) |
| Drogheda to Castiglione delle Stiviere | 945.02 mi (1,520.86 km) |
| Drogheda to Castrolibero | 1,450.99 mi (2,335.14 km) |
| Drogheda to Castrovillari | 1,424.41 mi (2,292.37 km) |
