| Newton Mearns to Oberkirch | 724.14 mi (1,165.39 km) |
| Newton Mearns to Obernburg am Main | 694.34 mi (1,117.43 km) |
| Newton Mearns to Obernkirchen | 596.11 mi (959.34 km) |
| Newton Mearns to Oberschleissheim | 849.52 mi (1,367.17 km) |
| Newton Mearns to Oberstdorf | 849.69 mi (1,367.45 km) |
| Newton Mearns to Obertraubling | 836.78 mi (1,346.67 km) |
| Newton Mearns to Obertshausen | 673.72 mi (1,084.25 km) |
| Newton Mearns to Oberursel | 658.96 mi (1,060.49 km) |
| Newton Mearns to Ochsenfurt | 734.14 mi (1,181.48 km) |
| Newton Mearns to Ochsenhausen | 805.57 mi (1,296.45 km) |
| Newton Mearns to Ochtrup | 528.15 mi (849.98 km) |
| Newton Mearns to Odenthal | 573.06 mi (922.26 km) |
| Newton Mearns to Oelde | 576.39 mi (927.61 km) |
| Newton Mearns to Oelsnitz | 775.51 mi (1,248.06 km) |
| Newton Mearns to Oer-Erkenschwick | 552.06 mi (888.46 km) |
