| Glanmire to Oberkirch | 763.26 mi (1,228.34 km) |
| Glanmire to Obernburg am Main | 776.07 mi (1,248.97 km) |
| Glanmire to Obernkirchen | 742.23 mi (1,194.50 km) |
| Glanmire to Oberschleissheim | 917.46 mi (1,476.50 km) |
| Glanmire to Oberstdorf | 888.47 mi (1,429.86 km) |
| Glanmire to Obertraubling | 924.34 mi (1,487.58 km) |
| Glanmire to Obertshausen | 758.43 mi (1,220.57 km) |
| Glanmire to Oberursel | 744.91 mi (1,198.82 km) |
| Glanmire to Ochsenfurt | 819.42 mi (1,318.73 km) |
| Glanmire to Ochsenhausen | 854.46 mi (1,375.12 km) |
| Glanmire to Ochtrup | 661.30 mi (1,064.26 km) |
| Glanmire to Odenthal | 669.26 mi (1,077.08 km) |
| Glanmire to Oelde | 704.47 mi (1,133.73 km) |
| Glanmire to Oelsnitz | 894.03 mi (1,438.80 km) |
| Glanmire to Oer-Erkenschwick | 668.01 mi (1,075.06 km) |
