| Clarksburg to Casamassima | 4,710.42 mi (7,580.69 km) |
| Clarksburg to Casandrino | 4,594.36 mi (7,393.91 km) |
| Clarksburg to Casapulla | 4,590.89 mi (7,388.33 km) |
| Clarksburg to Casarano | 4,800.98 mi (7,726.42 km) |
| Clarksburg to Casatenovo | 4,214.45 mi (6,782.50 km) |
| Clarksburg to Casciana Terme | 4,342.87 mi (6,989.17 km) |
| Clarksburg to Cascina | 4,334.58 mi (6,975.83 km) |
| Clarksburg to Caselle Torinese | 4,159.49 mi (6,694.06 km) |
| Clarksburg to Caserta | 4,593.09 mi (7,391.87 km) |
| Clarksburg to Casier | 4,342.64 mi (6,988.80 km) |
| Clarksburg to Casorate Primo | 4,214.14 mi (6,782.01 km) |
| Clarksburg to Casoria | 4,597.80 mi (7,399.44 km) |
| Clarksburg to Cassano al Ionio | 4,728.90 mi (7,610.42 km) |
| Clarksburg to Cassano d'Adda | 4,228.54 mi (6,805.18 km) |
| Clarksburg to Cassano delle Murge | 4,706.46 mi (7,574.31 km) |
