| Ardahan to Idar-Oberstein | 1,796.92 mi (2,891.86 km) |
| Ardahan to Idstein | 1,758.56 mi (2,830.12 km) |
| Ardahan to Illertissen | 1,662.20 mi (2,675.06 km) |
| Ardahan to Illingen | 1,806.45 mi (2,907.20 km) |
| Ardahan to Ilmenau | 1,648.99 mi (2,653.80 km) |
| Ardahan to Ilsede | 1,703.72 mi (2,741.87 km) |
| Ardahan to Ilsenburg | 1,676.53 mi (2,698.11 km) |
| Ardahan to Ilsfeld | 1,705.59 mi (2,744.88 km) |
| Ardahan to Ilvesheim | 1,739.32 mi (2,799.17 km) |
| Ardahan to Immenstadt im Allgau | 1,652.70 mi (2,659.76 km) |
| Ardahan to Ingelheim | 1,765.99 mi (2,842.08 km) |
| Ardahan to Ingolstadt | 1,605.17 mi (2,583.28 km) |
| Ardahan to Iserlohn | 1,796.69 mi (2,891.49 km) |
| Ardahan to Isernhagen-Sud | 1,719.85 mi (2,767.84 km) |
| Ardahan to Ismaning | 1,589.47 mi (2,558.01 km) |
