| Irmo to Cassina de' Pecchi | 4,613.83 mi (7,425.23 km) |
| Irmo to Cassino | 4,940.84 mi (7,951.51 km) |
| Irmo to Castagneto Carducci | 4,740.81 mi (7,629.59 km) |
| Irmo to Castano Primo | 4,586.63 mi (7,381.47 km) |
| Irmo to Castel Bolognese | 4,757.41 mi (7,656.30 km) |
| Irmo to Castel Gandolfo | 4,879.25 mi (7,852.40 km) |
| Irmo to Castel Goffredo | 4,668.75 mi (7,513.63 km) |
| Irmo to Castel Maggiore | 4,730.48 mi (7,612.97 km) |
| Irmo to Castel Mella | 4,648.44 mi (7,480.94 km) |
| Irmo to Castel San Giorgio | 5,004.62 mi (8,054.15 km) |
| Irmo to Castel San Giovanni | 4,630.78 mi (7,452.53 km) |
| Irmo to Castel San Pietro Terme | 4,745.25 mi (7,636.75 km) |
| Irmo to Castel Volturno | 4,959.99 mi (7,982.32 km) |
| Irmo to Castelbuono | 5,076.82 mi (8,170.35 km) |
| Irmo to Casteldaccia | 5,046.14 mi (8,120.98 km) |
