| Opfikon to Joliet (Illinois) | 4,463.33 mi (7,183.04 km) |
| Opfikon to Jonesboro (Arkansas) | 4,832.78 mi (7,777.61 km) |
| Opfikon to Joplin (Missouri) | 4,920.66 mi (7,919.04 km) |
| Opfikon to Joppatowne (Maryland) | 4,081.57 mi (6,568.65 km) |
| Opfikon to Juana Díaz (Puerto Rico) | 4,615.50 mi (7,427.93 km) |
| Opfikon to Junction City (Kansas) | 4,911.93 mi (7,904.98 km) |
| Opfikon to Juneau (Alaska) | 4,819.81 mi (7,756.74 km) |
| Opfikon to Jupiter (Florida) | 4,814.09 mi (7,747.52 km) |
| Opfikon to Jupiter Farms (Florida) | 4,818.69 mi (7,754.94 km) |
| Opfikon to Jurupa Valley (California) | 5,893.70 mi (9,484.99 km) |
| Opfikon to Justice (Illinois) | 4,440.57 mi (7,146.40 km) |
| Opfikon to Kahului (Hawaii) | 7,626.37 mi (12,273.45 km) |
| Opfikon to Kailua (Hawaii) | 7,605.70 mi (12,240.19 km) |
| Opfikon to Kalamazoo (Michigan) | 4,329.86 mi (6,968.23 km) |
| Opfikon to Kalispell (Montana) | 4,994.02 mi (8,037.10 km) |
