| Riom to Cassino | 614.86 mi (989.52 km) |
| Riom to Castagneto Carducci | 413.90 mi (666.11 km) |
| Riom to Castano Primo | 273.71 mi (440.50 km) |
| Riom to Castel Bolognese | 437.20 mi (703.60 km) |
| Riom to Castel Gandolfo | 554.63 mi (892.60 km) |
| Riom to Castel Goffredo | 358.18 mi (576.44 km) |
| Riom to Castel Maggiore | 411.77 mi (662.68 km) |
| Riom to Castel Mella | 340.60 mi (548.13 km) |
| Riom to Castel San Giorgio | 679.98 mi (1,094.32 km) |
| Riom to Castel San Giovanni | 311.67 mi (501.58 km) |
| Riom to Castel San Pietro Terme | 425.27 mi (684.40 km) |
| Riom to Castel Volturno | 635.94 mi (1,023.45 km) |
| Riom to Castelbuono | 787.06 mi (1,266.65 km) |
| Riom to Casteldaccia | 760.50 mi (1,223.91 km) |
| Riom to Castelfidardo | 538.90 mi (867.28 km) |
