| Butler to Idar-Oberstein | 4,040.29 mi (6,502.21 km) |
| Butler to Idstein | 4,061.71 mi (6,536.69 km) |
| Butler to Illertissen | 4,200.13 mi (6,759.46 km) |
| Butler to Illingen | 4,040.67 mi (6,502.82 km) |
| Butler to Ilmenau | 4,148.64 mi (6,676.58 km) |
| Butler to Ilsede | 4,068.50 mi (6,547.62 km) |
| Butler to Ilsenburg | 4,100.28 mi (6,598.76 km) |
| Butler to Ilsfeld | 4,138.66 mi (6,660.53 km) |
| Butler to Ilvesheim | 4,097.64 mi (6,594.51 km) |
| Butler to Immenstadt im Allgau | 4,228.03 mi (6,804.35 km) |
| Butler to Ingelheim | 4,061.13 mi (6,535.75 km) |
| Butler to Ingolstadt | 4,234.25 mi (6,814.36 km) |
| Butler to Iserlohn | 4,001.20 mi (6,439.31 km) |
| Butler to Isernhagen-Sud | 4,050.93 mi (6,519.34 km) |
| Butler to Ismaning | 4,262.90 mi (6,860.47 km) |
