| Skien to Indianola (Iowa) | 4,234.31 mi (6,814.46 km) |
| Skien to Indio (California) | 5,307.36 mi (8,541.37 km) |
| Skien to Inglewood (California) | 5,344.33 mi (8,600.86 km) |
| Skien to Inkster (Michigan) | 3,869.56 mi (6,227.45 km) |
| Skien to Inver Grove Heights (Minnesota) | 4,024.36 mi (6,476.58 km) |
| Skien to Inwood (New York) | 3,648.14 mi (5,871.12 km) |
| Skien to Iona (Florida) | 4,711.95 mi (7,583.14 km) |
| Skien to Ionia (Michigan) | 3,887.28 mi (6,255.97 km) |
| Skien to Iowa City (Iowa) | 4,157.31 mi (6,690.55 km) |
| Skien to Irmo (South Carolina) | 4,254.04 mi (6,846.21 km) |
| Skien to Irondale (Alabama) | 4,465.33 mi (7,186.25 km) |
| Skien to Ironton (Ohio) | 4,055.62 mi (6,526.90 km) |
| Skien to Irvine (California) | 5,348.27 mi (8,607.22 km) |
| Skien to Irving (Texas) | 4,829.11 mi (7,771.70 km) |
| Skien to Isabela (Puerto Rico) | 4,652.68 mi (7,487.77 km) |
