| Harker Heights to Cassina de' Pecchi | 5,451.73 mi (8,773.71 km) |
| Harker Heights to Cassino | 5,794.29 mi (9,325.01 km) |
| Harker Heights to Castagneto Carducci | 5,593.00 mi (9,001.07 km) |
| Harker Heights to Castano Primo | 5,426.18 mi (8,732.59 km) |
| Harker Heights to Castel Bolognese | 5,596.79 mi (9,007.17 km) |
| Harker Heights to Castel Gandolfo | 5,735.03 mi (9,229.63 km) |
| Harker Heights to Castel Goffredo | 5,504.81 mi (8,859.14 km) |
| Harker Heights to Castel Maggiore | 5,569.38 mi (8,963.05 km) |
| Harker Heights to Castel Mella | 5,483.94 mi (8,825.55 km) |
| Harker Heights to Castel San Giorgio | 5,860.11 mi (9,430.93 km) |
| Harker Heights to Castel San Giovanni | 5,472.21 mi (8,806.68 km) |
| Harker Heights to Castel San Pietro Terme | 5,584.73 mi (8,987.75 km) |
| Harker Heights to Castel Volturno | 5,816.36 mi (9,360.53 km) |
| Harker Heights to Castelbuono | 5,953.64 mi (9,581.46 km) |
| Harker Heights to Casteldaccia | 5,924.13 mi (9,533.97 km) |
