| Firminy to Grevena | 941.45 mi (1,515.12 km) |
| Firminy to Ialysos | 1,384.61 mi (2,228.32 km) |
| Firminy to Ilion | 1,118.88 mi (1,800.67 km) |
| Firminy to Ilioupoli | 1,124.95 mi (1,810.43 km) |
| Firminy to Ioannina | 929.28 mi (1,495.52 km) |
| Firminy to Irakleio | 1,292.70 mi (2,080.40 km) |
| Firminy to Irakleio | 1,121.29 mi (1,804.54 km) |
| Firminy to Kaisariani | 1,124.00 mi (1,808.90 km) |
| Firminy to Kalamaria | 997.22 mi (1,604.86 km) |
| Firminy to Kalamata | 1,087.70 mi (1,750.49 km) |
| Firminy to Kallithea | 1,122.04 mi (1,805.75 km) |
| Firminy to Kalymnos | 1,308.95 mi (2,106.55 km) |
| Firminy to Kalyvia Thorikou | 1,136.35 mi (1,828.77 km) |
| Firminy to Kamatero | 1,118.43 mi (1,799.94 km) |
| Firminy to Karditsa | 988.56 mi (1,590.93 km) |
