| Limerick to Oerlinghausen | 730.13 mi (1,175.03 km) |
| Limerick to Oestrich-Winkel | 739.04 mi (1,189.38 km) |
| Limerick to Offenburg | 780.19 mi (1,255.59 km) |
| Limerick to Oftersheim | 779.66 mi (1,254.74 km) |
| Limerick to Ohrdruf | 835.10 mi (1,343.97 km) |
| Limerick to Ohringen | 822.18 mi (1,323.16 km) |
| Limerick to Olbernhau | 947.25 mi (1,524.45 km) |
| Limerick to Olching | 926.64 mi (1,491.28 km) |
| Limerick to Oldenburg | 700.84 mi (1,127.89 km) |
| Limerick to Oldenburg in Holstein | 807.29 mi (1,299.21 km) |
| Limerick to Olfen | 679.74 mi (1,093.94 km) |
| Limerick to Olpe | 710.09 mi (1,142.79 km) |
| Limerick to Olsberg | 731.47 mi (1,177.19 km) |
| Limerick to Oranienburg | 911.59 mi (1,467.06 km) |
| Limerick to Ortenberg | 774.69 mi (1,246.75 km) |
