| Harker Heights to Joliet (Illinois) | 894.33 mi (1,439.29 km) |
| Harker Heights to Jonesboro (Arkansas) | 519.00 mi (835.25 km) |
| Harker Heights to Joplin (Missouri) | 453.00 mi (729.03 km) |
| Harker Heights to Joppatowne (Maryland) | 1,328.77 mi (2,138.45 km) |
| Harker Heights to Juana Díaz (Puerto Rico) | 2,143.24 mi (3,449.22 km) |
| Harker Heights to Junction City (Kansas) | 552.53 mi (889.21 km) |
| Harker Heights to Juneau (Alaska) | 2,548.83 mi (4,101.95 km) |
| Harker Heights to Jupiter (Florida) | 1,096.08 mi (1,763.97 km) |
| Harker Heights to Jupiter Farms (Florida) | 1,089.86 mi (1,753.96 km) |
| Harker Heights to Jurupa Valley (California) | 1,170.78 mi (1,884.19 km) |
| Harker Heights to Justice (Illinois) | 916.98 mi (1,475.74 km) |
| Harker Heights to Kahului (Hawaii) | 3,679.53 mi (5,921.63 km) |
| Harker Heights to Kailua (Hawaii) | 3,740.54 mi (6,019.81 km) |
| Harker Heights to Kalamazoo (Michigan) | 1,021.18 mi (1,643.43 km) |
| Harker Heights to Kalispell (Montana) | 1,474.12 mi (2,372.36 km) |
