| Guilherand to Grevena | 905.15 mi (1,456.70 km) |
| Guilherand to Ialysos | 1,347.71 mi (2,168.94 km) |
| Guilherand to Ilion | 1,081.31 mi (1,740.20 km) |
| Guilherand to Ilioupoli | 1,087.30 mi (1,749.84 km) |
| Guilherand to Ioannina | 892.04 mi (1,435.59 km) |
| Guilherand to Irakleio | 1,253.50 mi (2,017.32 km) |
| Guilherand to Irakleio | 1,083.77 mi (1,744.16 km) |
| Guilherand to Kaisariani | 1,086.39 mi (1,748.37 km) |
| Guilherand to Kalamaria | 962.56 mi (1,549.08 km) |
| Guilherand to Kalamata | 1,048.35 mi (1,687.16 km) |
| Guilherand to Kallithea | 1,084.38 mi (1,745.14 km) |
| Guilherand to Kalymnos | 1,272.01 mi (2,047.10 km) |
| Guilherand to Kalyvia Thorikou | 1,098.68 mi (1,768.15 km) |
| Guilherand to Kamatero | 1,080.89 mi (1,739.53 km) |
| Guilherand to Karditsa | 951.55 mi (1,531.38 km) |
