| Roscoe to Johnstown (Pennsylvania) | 542.45 mi (872.99 km) |
| Roscoe to Joliet (Illinois) | 76.62 mi (123.30 km) |
| Roscoe to Jonesboro (Arkansas) | 465.00 mi (748.34 km) |
| Roscoe to Joplin (Missouri) | 470.72 mi (757.55 km) |
| Roscoe to Joppatowne (Maryland) | 691.89 mi (1,113.49 km) |
| Roscoe to Juana Díaz (Puerto Rico) | 2,139.78 mi (3,443.65 km) |
| Roscoe to Junction City (Kansas) | 472.72 mi (760.78 km) |
| Roscoe to Juneau (Alaska) | 2,217.15 mi (3,568.16 km) |
| Roscoe to Jupiter (Florida) | 1,182.91 mi (1,903.71 km) |
| Roscoe to Jupiter Farms (Florida) | 1,180.25 mi (1,899.43 km) |
| Roscoe to Jurupa Valley (California) | 1,641.63 mi (2,641.94 km) |
| Roscoe to Justice (Illinois) | 76.19 mi (122.62 km) |
| Roscoe to Kahului (Hawaii) | 4,123.48 mi (6,636.09 km) |
| Roscoe to Kailua (Hawaii) | 4,166.67 mi (6,705.60 km) |
| Roscoe to Kalamazoo (Michigan) | 174.94 mi (281.54 km) |
