| Port Laoise to Castelli Calepio | 924.26 mi (1,487.46 km) |
| Port Laoise to Castelnovo ne' Monti | 997.34 mi (1,605.06 km) |
| Port Laoise to Castelnuovo Berardenga | 1,088.92 mi (1,752.44 km) |
| Port Laoise to Castelnuovo di Porto | 1,184.11 mi (1,905.63 km) |
| Port Laoise to Castelnuovo di Verona | 965.39 mi (1,553.65 km) |
| Port Laoise to Castelnuovo Rangone | 1,011.34 mi (1,627.59 km) |
| Port Laoise to Castelvetrano | 1,431.08 mi (2,303.10 km) |
| Port Laoise to Castelvetro di Modena | 1,014.26 mi (1,632.29 km) |
| Port Laoise to Castenaso | 1,032.97 mi (1,662.40 km) |
| Port Laoise to Castenedolo | 946.21 mi (1,522.78 km) |
| Port Laoise to Castiglion Fiorentino | 1,104.01 mi (1,776.73 km) |
| Port Laoise to Castiglione del Lago | 1,118.55 mi (1,800.13 km) |
| Port Laoise to Castiglione delle Stiviere | 956.90 mi (1,539.98 km) |
| Port Laoise to Castrolibero | 1,458.47 mi (2,347.18 km) |
| Port Laoise to Castrovillari | 1,432.87 mi (2,305.98 km) |
