| Welver to Grevena | 1,023.75 mi (1,647.57 km) |
| Welver to Ialysos | 1,442.90 mi (2,322.12 km) |
| Welver to Ilion | 1,209.54 mi (1,946.56 km) |
| Welver to Ilioupoli | 1,216.79 mi (1,958.23 km) |
| Welver to Ioannina | 1,031.20 mi (1,659.55 km) |
| Welver to Irakleio | 1,408.94 mi (2,267.47 km) |
| Welver to Irakleio | 1,210.62 mi (1,948.30 km) |
| Welver to Kaisariani | 1,215.03 mi (1,955.41 km) |
| Welver to Kalamaria | 1,043.42 mi (1,679.22 km) |
| Welver to Kalamata | 1,221.70 mi (1,966.13 km) |
| Welver to Kallithea | 1,214.31 mi (1,954.24 km) |
| Welver to Kalymnos | 1,372.54 mi (2,208.88 km) |
| Welver to Kalyvia Thorikou | 1,227.60 mi (1,975.63 km) |
| Welver to Kamatero | 1,208.39 mi (1,944.72 km) |
| Welver to Karditsa | 1,079.42 mi (1,737.16 km) |
