| Youngstown to Idar-Oberstein | 4,059.16 mi (6,532.59 km) |
| Youngstown to Idstein | 4,080.01 mi (6,566.14 km) |
| Youngstown to Illertissen | 4,219.33 mi (6,790.35 km) |
| Youngstown to Illingen | 4,059.83 mi (6,533.67 km) |
| Youngstown to Ilmenau | 4,165.99 mi (6,704.51 km) |
| Youngstown to Ilsede | 4,084.93 mi (6,574.06 km) |
| Youngstown to Ilsenburg | 4,116.87 mi (6,625.46 km) |
| Youngstown to Ilsfeld | 4,157.52 mi (6,690.88 km) |
| Youngstown to Ilvesheim | 4,116.38 mi (6,624.67 km) |
| Youngstown to Immenstadt im Allgau | 4,247.61 mi (6,835.87 km) |
| Youngstown to Ingelheim | 4,079.65 mi (6,565.56 km) |
| Youngstown to Ingolstadt | 4,252.75 mi (6,844.14 km) |
| Youngstown to Iserlohn | 4,018.83 mi (6,467.68 km) |
| Youngstown to Isernhagen-Sud | 4,067.32 mi (6,545.71 km) |
| Youngstown to Ismaning | 4,281.68 mi (6,890.70 km) |
