| Speyer to Grevena | 900.06 mi (1,448.51 km) |
| Speyer to Ialysos | 1,331.23 mi (2,142.40 km) |
| Speyer to Ilion | 1,087.00 mi (1,749.36 km) |
| Speyer to Ilioupoli | 1,094.08 mi (1,760.75 km) |
| Speyer to Ioannina | 903.17 mi (1,453.51 km) |
| Speyer to Irakleio | 1,282.90 mi (2,064.63 km) |
| Speyer to Irakleio | 1,088.41 mi (1,751.63 km) |
| Speyer to Kaisariani | 1,092.49 mi (1,758.19 km) |
| Speyer to Kalamaria | 929.04 mi (1,495.14 km) |
| Speyer to Kalamata | 1,089.71 mi (1,753.71 km) |
| Speyer to Kallithea | 1,091.47 mi (1,756.54 km) |
| Speyer to Kalymnos | 1,258.73 mi (2,025.72 km) |
| Speyer to Kalyvia Thorikou | 1,105.18 mi (1,778.61 km) |
| Speyer to Kamatero | 1,086.01 mi (1,747.76 km) |
| Speyer to Karditsa | 954.78 mi (1,536.57 km) |
