| Diamond Springs to Collegno | 5,821.09 mi (9,368.14 km) |
| Diamond Springs to Cologno al Serio | 5,855.82 mi (9,424.03 km) |
| Diamond Springs to Cologno Monzese | 5,846.66 mi (9,409.28 km) |
| Diamond Springs to Colorno | 5,911.69 mi (9,513.94 km) |
| Diamond Springs to Comacchio | 5,976.01 mi (9,617.46 km) |
| Diamond Springs to Comiso | 6,490.39 mi (10,445.27 km) |
| Diamond Springs to Como | 5,825.52 mi (9,375.27 km) |
| Diamond Springs to Concordia Sagittaria | 5,933.84 mi (9,549.59 km) |
| Diamond Springs to Concorezzo | 5,844.95 mi (9,406.53 km) |
| Diamond Springs to Conegliano | 5,911.89 mi (9,514.26 km) |
| Diamond Springs to Conselice | 5,976.52 mi (9,618.27 km) |
| Diamond Springs to Conselve | 5,936.95 mi (9,554.59 km) |
| Diamond Springs to Conversano | 6,328.57 mi (10,184.85 km) |
| Diamond Springs to Copertino | 6,395.30 mi (10,292.24 km) |
| Diamond Springs to Copparo | 5,954.85 mi (9,583.40 km) |
