| McComb to Johnstown (Pennsylvania) | 900.14 mi (1,448.64 km) |
| McComb to Joliet (Illinois) | 721.48 mi (1,161.10 km) |
| McComb to Jonesboro (Arkansas) | 316.47 mi (509.30 km) |
| McComb to Joplin (Missouri) | 464.02 mi (746.78 km) |
| McComb to Joppatowne (Maryland) | 973.99 mi (1,567.49 km) |
| McComb to Juana Díaz (Puerto Rico) | 1,753.20 mi (2,821.50 km) |
| McComb to Junction City (Kansas) | 646.99 mi (1,041.23 km) |
| McComb to Juneau (Alaska) | 2,767.66 mi (4,454.13 km) |
| McComb to Jupiter (Florida) | 692.74 mi (1,114.86 km) |
| McComb to Jupiter Farms (Florida) | 686.90 mi (1,105.46 km) |
| McComb to Jurupa Valley (California) | 1,578.07 mi (2,539.65 km) |
| McComb to Justice (Illinois) | 740.37 mi (1,191.51 km) |
| McComb to Kahului (Hawaii) | 4,100.35 mi (6,598.88 km) |
| McComb to Kailua (Hawaii) | 4,160.19 mi (6,695.18 km) |
| McComb to Kalamazoo (Michigan) | 808.28 mi (1,300.80 km) |
