| Romford to Glyka Nera | 1,481.10 mi (2,383.60 km) |
| Romford to Grevena | 1,286.82 mi (2,070.94 km) |
| Romford to Ialysos | 1,722.87 mi (2,772.69 km) |
| Romford to Ilion | 1,473.49 mi (2,371.36 km) |
| Romford to Ilioupoli | 1,480.40 mi (2,382.48 km) |
| Romford to Ioannina | 1,286.48 mi (2,070.40 km) |
| Romford to Irakleio | 1,665.58 mi (2,680.50 km) |
| Romford to Irakleio | 1,475.13 mi (2,373.98 km) |
| Romford to Kaisariani | 1,478.94 mi (2,380.13 km) |
| Romford to Kalamaria | 1,320.69 mi (2,125.44 km) |
| Romford to Kalamata | 1,467.47 mi (2,361.66 km) |
| Romford to Kallithea | 1,477.71 mi (2,378.14 km) |
| Romford to Kalymnos | 1,649.62 mi (2,654.81 km) |
| Romford to Kalyvia Thorikou | 1,491.65 mi (2,400.58 km) |
| Romford to Kamatero | 1,472.60 mi (2,369.93 km) |
