| Catonsville to Imola | 4,337.92 mi (6,981.20 km) |
| Catonsville to Impruneta | 4,340.64 mi (6,985.59 km) |
| Catonsville to Induno Olona | 4,165.13 mi (6,703.13 km) |
| Catonsville to Inverigo | 4,185.24 mi (6,735.49 km) |
| Catonsville to Inveruno | 4,176.43 mi (6,721.32 km) |
| Catonsville to Inzago | 4,203.06 mi (6,764.18 km) |
| Catonsville to Iseo | 4,223.38 mi (6,796.87 km) |
| Catonsville to Isernia | 4,544.70 mi (7,313.99 km) |
| Catonsville to Isola Capo Rizzuto | 4,770.49 mi (7,677.36 km) |
| Catonsville to Isola del Liri | 4,512.63 mi (7,262.38 km) |
| Catonsville to Isola della Scala | 4,276.97 mi (6,883.12 km) |
| Catonsville to Isola Vicentina | 4,283.54 mi (6,893.69 km) |
| Catonsville to Ispica | 4,755.41 mi (7,653.09 km) |
| Catonsville to Istrana | 4,309.34 mi (6,935.21 km) |
| Catonsville to Itri | 4,525.24 mi (7,282.67 km) |
