| Harker Heights to Zottegem | 5,041.66 mi (8,113.77 km) |
| Harker Heights to Zulte | 5,025.96 mi (8,088.51 km) |
| Harker Heights to Zwevegem | 5,025.95 mi (8,088.48 km) |
| Harker Heights to Zwijndrecht | 5,050.36 mi (8,127.77 km) |
| Harker Heights to Asenovgrad | 6,205.56 mi (9,986.89 km) |
| Harker Heights to Aytos | 6,259.16 mi (10,073.15 km) |
| Harker Heights to Balchik | 6,255.39 mi (10,067.08 km) |
| Harker Heights to Bankya | 6,108.72 mi (9,831.03 km) |
| Harker Heights to Bansko | 6,162.45 mi (9,917.50 km) |
| Harker Heights to Berkovitsa | 6,083.17 mi (9,789.92 km) |
| Harker Heights to Blagoevgrad | 6,139.25 mi (9,880.16 km) |
| Harker Heights to Botevgrad | 6,123.55 mi (9,854.90 km) |
| Harker Heights to Burgas | 6,276.72 mi (10,101.40 km) |
| Harker Heights to Byala Slatina | 6,102.30 mi (9,820.70 km) |
| Harker Heights to Chirpan | 6,213.70 mi (9,999.98 km) |
