| Penarth to Cassina de' Pecchi | 703.25 mi (1,131.77 km) |
| Penarth to Cassino | 1,056.37 mi (1,700.07 km) |
| Penarth to Castagneto Carducci | 859.04 mi (1,382.49 km) |
| Penarth to Castano Primo | 679.67 mi (1,093.83 km) |
| Penarth to Castel Bolognese | 847.65 mi (1,364.16 km) |
| Penarth to Castel Gandolfo | 1,002.14 mi (1,612.78 km) |
| Penarth to Castel Goffredo | 754.33 mi (1,213.98 km) |
| Penarth to Castel Maggiore | 820.18 mi (1,319.95 km) |
| Penarth to Castel Mella | 733.30 mi (1,180.13 km) |
| Penarth to Castel San Giorgio | 1,123.34 mi (1,807.83 km) |
| Penarth to Castel San Giovanni | 726.82 mi (1,169.70 km) |
| Penarth to Castel San Pietro Terme | 835.78 mi (1,345.06 km) |
| Penarth to Castel Volturno | 1,081.99 mi (1,741.29 km) |
| Penarth to Castelbuono | 1,254.43 mi (2,018.81 km) |
| Penarth to Casteldaccia | 1,229.71 mi (1,979.03 km) |
