| Richardson to Caltagirone | 5,871.36 mi (9,449.04 km) |
| Richardson to Caltanissetta | 5,841.14 mi (9,400.40 km) |
| Richardson to Calvisano | 5,363.66 mi (8,631.98 km) |
| Richardson to Calvizzano | 5,701.55 mi (9,175.75 km) |
| Richardson to Camaiore | 5,417.80 mi (8,719.10 km) |
| Richardson to Cameri | 5,289.82 mi (8,513.14 km) |
| Richardson to Camisano Vicentino | 5,411.28 mi (8,708.61 km) |
| Richardson to Campagna | 5,749.25 mi (9,252.52 km) |
| Richardson to Campagnano di Roma | 5,575.87 mi (8,973.49 km) |
| Richardson to Campi Bisenzio | 5,456.33 mi (8,781.11 km) |
| Richardson to Campi Salentina | 5,879.55 mi (9,462.22 km) |
| Richardson to Campiglia Marittima | 5,465.27 mi (8,795.51 km) |
| Richardson to Campobasso | 5,693.09 mi (9,162.14 km) |
| Richardson to Campobello di Licata | 5,845.04 mi (9,406.68 km) |
| Richardson to Campobello di Mazara | 5,778.17 mi (9,299.07 km) |
