| Tonypandy to Joliet (Illinois) | 3,852.97 mi (6,200.75 km) |
| Tonypandy to Jonesboro (Arkansas) | 4,222.20 mi (6,794.97 km) |
| Tonypandy to Joplin (Missouri) | 4,310.38 mi (6,936.89 km) |
| Tonypandy to Joppatowne (Maryland) | 3,475.21 mi (5,592.81 km) |
| Tonypandy to Juana Díaz (Puerto Rico) | 4,097.74 mi (6,594.67 km) |
| Tonypandy to Junction City (Kansas) | 4,303.62 mi (6,926.01 km) |
| Tonypandy to Juneau (Alaska) | 4,343.12 mi (6,989.58 km) |
| Tonypandy to Jupiter (Florida) | 4,224.54 mi (6,798.74 km) |
| Tonypandy to Jupiter Farms (Florida) | 4,228.94 mi (6,805.82 km) |
| Tonypandy to Jurupa Valley (California) | 5,304.22 mi (8,536.32 km) |
| Tonypandy to Justice (Illinois) | 3,830.21 mi (6,164.12 km) |
| Tonypandy to Kahului (Hawaii) | 7,168.17 mi (11,536.06 km) |
| Tonypandy to Kailua (Hawaii) | 7,157.07 mi (11,518.19 km) |
| Tonypandy to Kalamazoo (Michigan) | 3,719.26 mi (5,985.57 km) |
| Tonypandy to Kalispell (Montana) | 4,427.45 mi (7,125.29 km) |
