| Wallingford to Glyka Nera | 1,530.82 mi (2,463.62 km) |
| Wallingford to Grevena | 1,336.70 mi (2,151.22 km) |
| Wallingford to Ialysos | 1,774.06 mi (2,855.07 km) |
| Wallingford to Ilion | 1,523.14 mi (2,451.26 km) |
| Wallingford to Ilioupoli | 1,530.01 mi (2,462.31 km) |
| Wallingford to Ioannina | 1,335.50 mi (2,149.28 km) |
| Wallingford to Irakleio | 1,714.09 mi (2,758.57 km) |
| Wallingford to Irakleio | 1,524.84 mi (2,453.99 km) |
| Wallingford to Kaisariani | 1,528.58 mi (2,460.01 km) |
| Wallingford to Kalamaria | 1,372.04 mi (2,208.09 km) |
| Wallingford to Kalamata | 1,515.00 mi (2,438.16 km) |
| Wallingford to Kallithea | 1,527.29 mi (2,457.93 km) |
| Wallingford to Kalymnos | 1,700.55 mi (2,736.77 km) |
| Wallingford to Kalyvia Thorikou | 1,541.29 mi (2,480.46 km) |
| Wallingford to Kamatero | 1,522.28 mi (2,449.88 km) |
