| Swansea to Isabela (Puerto Rico) | 1,954.23 mi (3,145.04 km) |
| Swansea to Iselin (New Jersey) | 845.04 mi (1,359.95 km) |
| Swansea to Isla Vista (California) | 1,676.56 mi (2,698.16 km) |
| Swansea to Issaquah (Washington) | 1,719.04 mi (2,766.53 km) |
| Swansea to Ithaca (New York) | 756.70 mi (1,217.78 km) |
| Swansea to Ives Estates (Florida) | 1,039.87 mi (1,673.51 km) |
| Swansea to Jackson (Michigan) | 388.89 mi (625.86 km) |
| Swansea to Jackson (Mississippi) | 430.99 mi (693.60 km) |
| Swansea to Jackson (Missouri) | 82.96 mi (133.51 km) |
| Swansea to Jackson (Tennessee) | 209.95 mi (337.88 km) |
| Swansea to Jackson (Wyoming) | 1,132.44 mi (1,822.48 km) |
| Swansea to Jacksonville (Alabama) | 403.66 mi (649.62 km) |
| Swansea to Jacksonville (Arkansas) | 279.99 mi (450.60 km) |
| Swansea to Jacksonville (Florida) | 738.69 mi (1,188.80 km) |
| Swansea to Jacksonville (Illinois) | 82.49 mi (132.75 km) |
