| Harker Heights to Corato | 5,914.66 mi (9,518.72 km) |
| Harker Heights to Corbetta | 5,435.40 mi (8,747.44 km) |
| Harker Heights to Corciano | 5,663.79 mi (9,114.99 km) |
| Harker Heights to Cordenons | 5,566.03 mi (8,957.66 km) |
| Harker Heights to Cori | 5,750.07 mi (9,253.84 km) |
| Harker Heights to Coriano | 5,643.13 mi (9,081.75 km) |
| Harker Heights to Corigliano Calabro | 5,985.98 mi (9,633.51 km) |
| Harker Heights to Corleone | 5,923.58 mi (9,533.07 km) |
| Harker Heights to Cormano | 5,442.38 mi (8,758.66 km) |
| Harker Heights to Cornaredo | 5,438.87 mi (8,753.02 km) |
| Harker Heights to Cornate d'Adda | 5,450.69 mi (8,772.04 km) |
| Harker Heights to Cornedo Vicentino | 5,527.36 mi (8,895.43 km) |
| Harker Heights to Correggio | 5,537.75 mi (8,912.15 km) |
| Harker Heights to Corridonia | 5,709.35 mi (9,188.30 km) |
| Harker Heights to Corsico | 5,444.78 mi (8,762.52 km) |
