| Johnstown to Idar-Oberstein | 4,025.56 mi (6,478.51 km) |
| Johnstown to Idstein | 4,047.91 mi (6,514.48 km) |
| Johnstown to Illertissen | 4,184.84 mi (6,734.85 km) |
| Johnstown to Illingen | 4,025.47 mi (6,478.36 km) |
| Johnstown to Ilmenau | 4,136.34 mi (6,656.80 km) |
| Johnstown to Ilsede | 4,057.69 mi (6,530.23 km) |
| Johnstown to Ilsenburg | 4,089.20 mi (6,580.94 km) |
| Johnstown to Ilsfeld | 4,123.94 mi (6,636.83 km) |
| Johnstown to Ilvesheim | 4,083.11 mi (6,571.14 km) |
| Johnstown to Immenstadt im Allgau | 4,212.10 mi (6,778.71 km) |
| Johnstown to Ingelheim | 4,046.97 mi (6,512.97 km) |
| Johnstown to Ingolstadt | 4,220.08 mi (6,791.56 km) |
| Johnstown to Iserlohn | 3,988.49 mi (6,418.86 km) |
| Johnstown to Isernhagen-Sud | 4,040.19 mi (6,502.06 km) |
| Johnstown to Ismaning | 4,248.26 mi (6,836.91 km) |
