| Castro Valley to Cassina de' Pecchi | 5,942.74 mi (9,563.92 km) |
| Castro Valley to Cassino | 6,298.31 mi (10,136.15 km) |
| Castro Valley to Castagneto Carducci | 6,109.89 mi (9,832.92 km) |
| Castro Valley to Castano Primo | 5,923.55 mi (9,533.03 km) |
| Castro Valley to Castel Bolognese | 6,079.49 mi (9,783.99 km) |
| Castro Valley to Castel Gandolfo | 6,250.18 mi (10,058.69 km) |
| Castro Valley to Castel Goffredo | 5,986.62 mi (9,634.54 km) |
| Castro Valley to Castel Maggiore | 6,053.08 mi (9,741.50 km) |
| Castro Valley to Castel Mella | 5,966.08 mi (9,601.48 km) |
| Castro Valley to Castel San Giorgio | 6,364.42 mi (10,242.55 km) |
| Castro Valley to Castel San Giovanni | 5,970.60 mi (9,608.76 km) |
| Castro Valley to Castel San Pietro Terme | 6,068.64 mi (9,766.54 km) |
| Castro Valley to Castel Volturno | 6,326.65 mi (10,181.76 km) |
| Castro Valley to Castelbuono | 6,511.93 mi (10,479.93 km) |
| Castro Valley to Casteldaccia | 6,488.16 mi (10,441.69 km) |
