| Richardson to Casamassima | 5,810.94 mi (9,351.80 km) |
| Richardson to Casandrino | 5,702.89 mi (9,177.91 km) |
| Richardson to Casapulla | 5,698.61 mi (9,171.03 km) |
| Richardson to Casarano | 5,902.68 mi (9,499.45 km) |
| Richardson to Casatenovo | 5,308.73 mi (8,543.57 km) |
| Richardson to Casciana Terme | 5,446.95 mi (8,766.01 km) |
| Richardson to Cascina | 5,437.93 mi (8,751.50 km) |
| Richardson to Caselle Torinese | 5,261.43 mi (8,467.45 km) |
| Richardson to Caserta | 5,700.67 mi (9,174.34 km) |
| Richardson to Casier | 5,428.77 mi (8,736.75 km) |
| Richardson to Casorate Primo | 5,311.65 mi (8,548.27 km) |
| Richardson to Casoria | 5,706.36 mi (9,183.50 km) |
| Richardson to Cassano al Ionio | 5,837.50 mi (9,394.56 km) |
| Richardson to Cassano d'Adda | 5,323.33 mi (8,567.07 km) |
| Richardson to Cassano delle Murge | 5,807.80 mi (9,346.76 km) |
