| Napa to Idar-Oberstein | 5,625.69 mi (9,053.68 km) |
| Napa to Idstein | 5,623.67 mi (9,050.43 km) |
| Napa to Illertissen | 5,783.56 mi (9,307.74 km) |
| Napa to Illingen | 5,636.84 mi (9,071.61 km) |
| Napa to Ilmenau | 5,666.53 mi (9,119.40 km) |
| Napa to Ilsede | 5,559.17 mi (8,946.62 km) |
| Napa to Ilsenburg | 5,594.01 mi (9,002.69 km) |
| Napa to Ilsfeld | 5,714.62 mi (9,196.79 km) |
| Napa to Ilvesheim | 5,672.84 mi (9,129.55 km) |
| Napa to Immenstadt im Allgau | 5,823.67 mi (9,372.30 km) |
| Napa to Ingelheim | 5,631.39 mi (9,062.85 km) |
| Napa to Ingolstadt | 5,788.17 mi (9,315.16 km) |
| Napa to Iserlohn | 5,543.72 mi (8,921.75 km) |
| Napa to Isernhagen-Sud | 5,541.72 mi (8,918.53 km) |
| Napa to Ismaning | 5,825.11 mi (9,374.61 km) |
