| Ilmenau to Orthez | 739.81 mi (1,190.61 km) |
| Ilmenau to Orvault | 614.71 mi (989.28 km) |
| Ilmenau to Osny | 409.78 mi (659.48 km) |
| Ilmenau to Ostwald | 205.66 mi (330.97 km) |
| Ilmenau to Ouistreham | 505.50 mi (813.52 km) |
| Ilmenau to Oullins | 443.62 mi (713.93 km) |
| Ilmenau to Outreau | 407.89 mi (656.44 km) |
| Ilmenau to Oyonnax | 389.33 mi (626.56 km) |
| Ilmenau to Ozoir-la-Ferriere | 390.57 mi (628.56 km) |
| Ilmenau to Pace | 595.99 mi (959.15 km) |
| Ilmenau to Palaiseau | 410.52 mi (660.66 km) |
| Ilmenau to Pamiers | 681.94 mi (1,097.47 km) |
| Ilmenau to Panazol | 553.74 mi (891.15 km) |
| Ilmenau to Pantin | 399.23 mi (642.50 km) |
| Ilmenau to Paray-le-Monial | 426.52 mi (686.41 km) |
