| Viersen to Grevena | 1,055.41 mi (1,698.52 km) |
| Viersen to Ialysos | 1,481.53 mi (2,384.30 km) |
| Viersen to Ilion | 1,242.09 mi (1,998.95 km) |
| Viersen to Ilioupoli | 1,249.25 mi (2,010.47 km) |
| Viersen to Ioannina | 1,060.23 mi (1,706.27 km) |
| Viersen to Irakleio | 1,439.55 mi (2,316.73 km) |
| Viersen to Irakleio | 1,243.36 mi (2,001.00 km) |
| Viersen to Kaisariani | 1,247.59 mi (2,007.80 km) |
| Viersen to Kalamaria | 1,080.20 mi (1,738.41 km) |
| Viersen to Kalamata | 1,248.29 mi (2,008.93 km) |
| Viersen to Kallithea | 1,246.69 mi (2,006.35 km) |
| Viersen to Kalymnos | 1,410.02 mi (2,269.21 km) |
| Viersen to Kalyvia Thorikou | 1,260.24 mi (2,028.15 km) |
| Viersen to Kamatero | 1,241.03 mi (1,997.25 km) |
| Viersen to Karditsa | 1,110.59 mi (1,787.32 km) |
