| Limerick to Oberkirch | 784.11 mi (1,261.91 km) |
| Limerick to Obernburg am Main | 790.42 mi (1,272.05 km) |
| Limerick to Obernkirchen | 745.43 mi (1,199.66 km) |
| Limerick to Oberschleissheim | 935.36 mi (1,505.31 km) |
| Limerick to Oberstdorf | 910.61 mi (1,465.48 km) |
| Limerick to Obertraubling | 939.18 mi (1,511.47 km) |
| Limerick to Obertshausen | 772.08 mi (1,242.54 km) |
| Limerick to Oberursel | 758.19 mi (1,220.19 km) |
| Limerick to Ochsenfurt | 833.67 mi (1,341.67 km) |
| Limerick to Ochsenhausen | 874.76 mi (1,407.79 km) |
| Limerick to Ochtrup | 665.55 mi (1,071.11 km) |
| Limerick to Odenthal | 679.80 mi (1,094.03 km) |
| Limerick to Oelde | 710.25 mi (1,143.04 km) |
| Limerick to Oelsnitz | 903.54 mi (1,454.10 km) |
| Limerick to Oer-Erkenschwick | 675.26 mi (1,086.73 km) |
