| Mountain Ash to Iselin (New Jersey) | 3,343.27 mi (5,380.47 km) |
| Mountain Ash to Isla Vista (California) | 5,359.32 mi (8,625.00 km) |
| Mountain Ash to Issaquah (Washington) | 4,683.55 mi (7,537.44 km) |
| Mountain Ash to Ithaca (New York) | 3,352.65 mi (5,395.56 km) |
| Mountain Ash to Ives Estates (Florida) | 4,278.09 mi (6,884.92 km) |
| Mountain Ash to Jackson (Michigan) | 3,675.57 mi (5,915.26 km) |
| Mountain Ash to Jackson (Mississippi) | 4,377.82 mi (7,045.42 km) |
| Mountain Ash to Jackson (Missouri) | 4,107.40 mi (6,610.22 km) |
| Mountain Ash to Jackson (Tennessee) | 4,158.25 mi (6,692.05 km) |
| Mountain Ash to Jackson (Wyoming) | 4,566.54 mi (7,349.13 km) |
| Mountain Ash to Jacksonville (Alabama) | 4,123.11 mi (6,635.50 km) |
| Mountain Ash to Jacksonville (Arkansas) | 4,327.20 mi (6,963.96 km) |
| Mountain Ash to Jacksonville (Florida) | 4,123.70 mi (6,636.45 km) |
| Mountain Ash to Jacksonville (Illinois) | 4,017.99 mi (6,466.33 km) |
| Mountain Ash to Jacksonville (North Carolina) | 3,733.41 mi (6,008.35 km) |
