| Rockville to Ilawa | 4,355.02 mi (7,008.72 km) |
| Rockville to Imielin | 4,464.57 mi (7,185.04 km) |
| Rockville to Inowroclaw | 4,335.84 mi (6,977.86 km) |
| Rockville to Janow Lubelski | 4,562.23 mi (7,342.20 km) |
| Rockville to Jarocin | 4,336.11 mi (6,978.29 km) |
| Rockville to Jaroslaw | 4,598.41 mi (7,400.42 km) |
| Rockville to Jasien | 4,294.10 mi (6,910.68 km) |
| Rockville to Jaslo | 4,563.64 mi (7,344.47 km) |
| Rockville to Jastrzebie-Zdroj | 4,447.10 mi (7,156.91 km) |
| Rockville to Jawor | 4,318.38 mi (6,949.75 km) |
| Rockville to Jaworzno | 4,464.03 mi (7,184.16 km) |
| Rockville to Jedrzejow | 4,487.13 mi (7,221.33 km) |
| Rockville to Jelcz-Laskowice | 4,361.80 mi (7,019.65 km) |
| Rockville to Jelenia Gora | 4,305.58 mi (6,929.16 km) |
| Rockville to Jozefoslaw | 4,461.12 mi (7,179.49 km) |
