| Llanelli to Iselin (New Jersey) | 3,310.93 mi (5,328.43 km) |
| Llanelli to Isla Vista (California) | 5,333.71 mi (8,583.78 km) |
| Llanelli to Issaquah (Washington) | 4,661.83 mi (7,502.48 km) |
| Llanelli to Ithaca (New York) | 3,320.89 mi (5,344.46 km) |
| Llanelli to Ives Estates (Florida) | 4,244.73 mi (6,831.23 km) |
| Llanelli to Jackson (Michigan) | 3,644.78 mi (5,865.70 km) |
| Llanelli to Jackson (Mississippi) | 4,346.01 mi (6,994.23 km) |
| Llanelli to Jackson (Missouri) | 4,076.36 mi (6,560.26 km) |
| Llanelli to Jackson (Tennessee) | 4,126.78 mi (6,641.41 km) |
| Llanelli to Jackson (Wyoming) | 4,540.89 mi (7,307.86 km) |
| Llanelli to Jacksonville (Alabama) | 4,090.97 mi (6,583.78 km) |
| Llanelli to Jacksonville (Arkansas) | 4,296.07 mi (6,913.85 km) |
| Llanelli to Jacksonville (Florida) | 4,090.76 mi (6,583.44 km) |
| Llanelli to Jacksonville (Illinois) | 3,987.50 mi (6,417.26 km) |
| Llanelli to Jacksonville (North Carolina) | 3,700.57 mi (5,955.49 km) |
