| Watertown to Ilawa | 4,062.43 mi (6,537.86 km) |
| Watertown to Imielin | 4,183.42 mi (6,732.56 km) |
| Watertown to Inowroclaw | 4,047.28 mi (6,513.47 km) |
| Watertown to Janow Lubelski | 4,274.95 mi (6,879.86 km) |
| Watertown to Jarocin | 4,051.15 mi (6,519.69 km) |
| Watertown to Jaroslaw | 4,312.89 mi (6,940.92 km) |
| Watertown to Jasien | 4,000.32 mi (6,437.89 km) |
| Watertown to Jaslo | 4,280.62 mi (6,889.00 km) |
| Watertown to Jastrzebie-Zdroj | 4,167.41 mi (6,706.80 km) |
| Watertown to Jawor | 4,038.14 mi (6,498.76 km) |
| Watertown to Jaworzno | 4,182.57 mi (6,731.20 km) |
| Watertown to Jedrzejow | 4,202.91 mi (6,763.93 km) |
| Watertown to Jelcz-Laskowice | 4,080.17 mi (6,566.39 km) |
| Watertown to Jelenia Gora | 4,026.45 mi (6,479.95 km) |
| Watertown to Jozefoslaw | 4,171.39 mi (6,713.20 km) |
