| Holtsville to Cassina de' Pecchi | 3,977.38 mi (6,400.97 km) |
| Holtsville to Cassino | 4,308.50 mi (6,933.86 km) |
| Holtsville to Castagneto Carducci | 4,107.84 mi (6,610.93 km) |
| Holtsville to Castano Primo | 3,950.48 mi (6,357.68 km) |
| Holtsville to Castel Bolognese | 4,121.47 mi (6,632.87 km) |
| Holtsville to Castel Gandolfo | 4,247.45 mi (6,835.61 km) |
| Holtsville to Castel Goffredo | 4,032.02 mi (6,488.90 km) |
| Holtsville to Castel Maggiore | 4,094.41 mi (6,589.31 km) |
| Holtsville to Castel Mella | 4,011.56 mi (6,455.99 km) |
| Holtsville to Castel San Giorgio | 4,372.92 mi (7,037.54 km) |
| Holtsville to Castel San Giovanni | 3,995.10 mi (6,429.49 km) |
| Holtsville to Castel San Pietro Terme | 4,109.32 mi (6,613.31 km) |
| Holtsville to Castel Volturno | 4,328.47 mi (6,965.99 km) |
| Holtsville to Castelbuono | 4,452.08 mi (7,164.93 km) |
| Holtsville to Casteldaccia | 4,421.79 mi (7,116.19 km) |
