| Luton to Oberkirch | 440.76 mi (709.34 km) |
| Luton to Obernburg am Main | 439.54 mi (707.37 km) |
| Luton to Obernkirchen | 405.43 mi (652.48 km) |
| Luton to Oberschleissheim | 586.63 mi (944.10 km) |
| Luton to Oberstdorf | 568.56 mi (915.00 km) |
| Luton to Obertraubling | 588.36 mi (946.87 km) |
| Luton to Obertshausen | 421.04 mi (677.59 km) |
| Luton to Oberursel | 407.10 mi (655.17 km) |
| Luton to Ochsenfurt | 482.73 mi (776.88 km) |
| Luton to Ochsenhausen | 529.57 mi (852.26 km) |
| Luton to Ochtrup | 323.84 mi (521.17 km) |
| Luton to Odenthal | 329.31 mi (529.97 km) |
| Luton to Oelde | 365.30 mi (587.90 km) |
| Luton to Oelsnitz | 553.86 mi (891.35 km) |
| Luton to Oer-Erkenschwick | 328.07 mi (527.98 km) |
