| South Milwaukee to Idar-Oberstein | 4,251.55 mi (6,842.21 km) |
| South Milwaukee to Idstein | 4,267.21 mi (6,867.41 km) |
| South Milwaukee to Illertissen | 4,413.71 mi (7,103.18 km) |
| South Milwaukee to Illingen | 4,254.78 mi (6,847.41 km) |
| South Milwaukee to Ilmenau | 4,344.31 mi (6,991.50 km) |
| South Milwaukee to Ilsede | 4,255.60 mi (6,848.73 km) |
| South Milwaukee to Ilsenburg | 4,288.80 mi (6,902.15 km) |
| South Milwaukee to Ilsfeld | 4,349.21 mi (6,999.38 km) |
| South Milwaukee to Ilvesheim | 4,307.25 mi (6,931.86 km) |
| South Milwaukee to Immenstadt im Allgau | 4,445.27 mi (7,153.97 km) |
| South Milwaukee to Ingelheim | 4,268.79 mi (6,869.95 km) |
| South Milwaukee to Ingolstadt | 4,440.79 mi (7,146.76 km) |
| South Milwaukee to Iserlohn | 4,200.47 mi (6,760.00 km) |
| South Milwaukee to Isernhagen-Sud | 4,237.71 mi (6,819.94 km) |
| South Milwaukee to Ismaning | 4,472.08 mi (7,197.12 km) |
