| Boulogne-sur-Mer to Grevena | 1,203.65 mi (1,937.08 km) |
| Boulogne-sur-Mer to Ialysos | 1,640.96 mi (2,640.86 km) |
| Boulogne-sur-Mer to Ilion | 1,390.14 mi (2,237.21 km) |
| Boulogne-sur-Mer to Ilioupoli | 1,397.01 mi (2,248.27 km) |
| Boulogne-sur-Mer to Ioannina | 1,202.67 mi (1,935.51 km) |
| Boulogne-sur-Mer to Irakleio | 1,581.47 mi (2,545.13 km) |
| Boulogne-sur-Mer to Irakleio | 1,391.82 mi (2,239.91 km) |
| Boulogne-sur-Mer to Kaisariani | 1,395.58 mi (2,245.96 km) |
| Boulogne-sur-Mer to Kalamaria | 1,238.97 mi (1,993.93 km) |
| Boulogne-sur-Mer to Kalamata | 1,382.85 mi (2,225.48 km) |
| Boulogne-sur-Mer to Kallithea | 1,394.30 mi (2,243.90 km) |
| Boulogne-sur-Mer to Kalymnos | 1,567.42 mi (2,522.52 km) |
| Boulogne-sur-Mer to Kalyvia Thorikou | 1,408.29 mi (2,266.42 km) |
| Boulogne-sur-Mer to Kamatero | 1,389.27 mi (2,235.82 km) |
| Boulogne-sur-Mer to Karditsa | 1,257.05 mi (2,023.03 km) |
