| Irmo to Castelletto sopra Ticino | 4,575.88 mi (7,364.17 km) |
| Irmo to Castelli Calepio | 4,633.53 mi (7,456.94 km) |
| Irmo to Castelnovo ne' Monti | 4,692.20 mi (7,551.36 km) |
| Irmo to Castelnuovo Berardenga | 4,775.41 mi (7,685.29 km) |
| Irmo to Castelnuovo di Porto | 4,859.57 mi (7,820.72 km) |
| Irmo to Castelnuovo di Verona | 4,677.26 mi (7,527.32 km) |
| Irmo to Castelnuovo Rangone | 4,712.01 mi (7,583.25 km) |
| Irmo to Castelvetrano | 5,024.02 mi (8,085.38 km) |
| Irmo to Castelvetro di Modena | 4,714.31 mi (7,586.95 km) |
| Irmo to Castenaso | 4,736.83 mi (7,623.20 km) |
| Irmo to Castenedolo | 4,655.72 mi (7,492.65 km) |
| Irmo to Castiglion Fiorentino | 4,793.94 mi (7,715.11 km) |
| Irmo to Castiglione del Lago | 4,806.34 mi (7,735.05 km) |
| Irmo to Castiglione delle Stiviere | 4,666.71 mi (7,510.34 km) |
| Irmo to Castrolibero | 5,124.66 mi (8,247.35 km) |
