| Penarth to Glyka Nera | 1,604.38 mi (2,581.99 km) |
| Penarth to Grevena | 1,410.73 mi (2,270.35 km) |
| Penarth to Ialysos | 1,850.22 mi (2,977.65 km) |
| Penarth to Ilion | 1,596.58 mi (2,569.44 km) |
| Penarth to Ilioupoli | 1,603.35 mi (2,580.34 km) |
| Penarth to Ioannina | 1,407.96 mi (2,265.90 km) |
| Penarth to Irakleio | 1,785.29 mi (2,873.15 km) |
| Penarth to Irakleio | 1,598.38 mi (2,572.35 km) |
| Penarth to Kaisariani | 1,601.98 mi (2,578.14 km) |
| Penarth to Kalamaria | 1,448.78 mi (2,331.59 km) |
| Penarth to Kalamata | 1,584.62 mi (2,550.20 km) |
| Penarth to Kallithea | 1,600.59 mi (2,575.90 km) |
| Penarth to Kalymnos | 1,776.25 mi (2,858.61 km) |
| Penarth to Kalyvia Thorikou | 1,614.68 mi (2,598.57 km) |
| Penarth to Kamatero | 1,595.78 mi (2,568.16 km) |
