| Harker Heights to Butzbach | 5,240.52 mi (8,433.80 km) |
| Harker Heights to Buxtehude | 5,166.57 mi (8,314.80 km) |
| Harker Heights to Cadolzburg | 5,359.84 mi (8,625.83 km) |
| Harker Heights to Calbe | 5,298.63 mi (8,527.32 km) |
| Harker Heights to Calw | 5,306.57 mi (8,540.10 km) |
| Harker Heights to Castrop-Rauxel | 5,150.49 mi (8,288.91 km) |
| Harker Heights to Celle | 5,211.39 mi (8,386.92 km) |
| Harker Heights to Cham | 5,435.23 mi (8,747.16 km) |
| Harker Heights to Chemnitz | 5,380.99 mi (8,659.87 km) |
| Harker Heights to Clausthal-Zellerfeld | 5,251.04 mi (8,450.74 km) |
| Harker Heights to Cloppenburg | 5,130.95 mi (8,257.47 km) |
| Harker Heights to Coburg | 5,332.26 mi (8,581.45 km) |
| Harker Heights to Coesfeld | 5,130.85 mi (8,257.30 km) |
| Harker Heights to Cologne | 5,158.66 mi (8,302.06 km) |
| Harker Heights to Coswig | 5,392.80 mi (8,678.88 km) |
